257884536

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:366

約数の個数: 192

約数和(自身を含む): 826398720

約数和(自身を除く): 568514184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 31, 39, 42, 52, 56, 62, 78, 84, 91, 93, 104, 124, 156, 168, 169, 182, 186, 217, 248, 273, 293, 312, 338, 364, 372, 403, 434, 507, 546, 586, 651, 676, 728, 744, 806, 868, 879, 1014, 1092, 1172, 1183, 1209, 1302, 1352, 1612, 1736, 1758, 2028, 2051, 2184, 2344, 2366, 2418, 2604, 2821, 3224, 3516, 3549, 3809, 4056, 4102, 4732, 4836, 5208, 5239, 5642, 6153, 7032, 7098, 7618, 8204, 8463, 9083, 9464, 9672, 10478, 11284, 11427, 12306, 14196, 15236, 15717, 16408, 16926, 18166, 20956, 22568, 22854, 24612, 26663, 27249, 28392, 30472, 31434, 33852, 36332, 36673, 41912, 45708, 49224, 49517, 53326, 54498, 62868, 63581, 67704, 72664, 73346, 79989, 91416, 99034, 106652, 108996, 110019, 118079, 125736, 127162, 146692, 148551, 159978, 190743, 198068, 213304, 217992, 220038, 236158, 254324, 293384, 297102, 319956, 346619, 354237, 381486, 396136, 440076, 472316, 508648, 594204, 639912, 693238, 708474, 762972, 826553, 880152, 944632, 1039857, 1188408, 1386476, 1416948, 1525944, 1535027, 1653106, 2079714, 2479659, 2772952, 2833896, 3070054, 3306212, 4159428, 4605081, 4959318, 6140108, 6612424, 8318856, 9210162, 9918636, 10745189, 12280216, 18420324, 19837272, 21490378, 32235567, 36840648, 42980756, 64471134, 85961512, 128942268, 257884536]

約数ペア:

[(1, 257884536), (2, 128942268), (3, 85961512), (4, 64471134), (6, 42980756), (7, 36840648), (8, 32235567), (12, 21490378), (13, 19837272), (14, 18420324), (21, 12280216), (24, 10745189), (26, 9918636), (28, 9210162), (31, 8318856), (39, 6612424), (42, 6140108), (52, 4959318), (56, 4605081), (62, 4159428), (78, 3306212), (84, 3070054), (91, 2833896), (93, 2772952), (104, 2479659), (124, 2079714), (156, 1653106), (168, 1535027), (169, 1525944), (182, 1416948), (186, 1386476), (217, 1188408), (248, 1039857), (273, 944632), (293, 880152), (312, 826553), (338, 762972), (364, 708474), (372, 693238), (403, 639912), (434, 594204), (507, 508648), (546, 472316), (586, 440076), (651, 396136), (676, 381486), (728, 354237), (744, 346619), (806, 319956), (868, 297102), (879, 293384), (1014, 254324), (1092, 236158), (1172, 220038), (1183, 217992), (1209, 213304), (1302, 198068), (1352, 190743), (1612, 159978), (1736, 148551), (1758, 146692), (2028, 127162), (2051, 125736), (2184, 118079), (2344, 110019), (2366, 108996), (2418, 106652), (2604, 99034), (2821, 91416), (3224, 79989), (3516, 73346), (3549, 72664), (3809, 67704), (4056, 63581), (4102, 62868), (4732, 54498), (4836, 53326), (5208, 49517), (5239, 49224), (5642, 45708), (6153, 41912), (7032, 36673), (7098, 36332), (7618, 33852), (8204, 31434), (8463, 30472), (9083, 28392), (9464, 27249), (9672, 26663), (10478, 24612), (11284, 22854), (11427, 22568), (12306, 20956), (14196, 18166), (15236, 16926), (15717, 16408)]