251272112

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:371

約数の個数: 160

約数和(自身を含む): 653291520

約数和(自身を除く): 402019408

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 31, 38, 52, 56, 62, 76, 91, 104, 112, 124, 133, 152, 182, 208, 217, 247, 248, 266, 293, 304, 364, 403, 434, 494, 496, 532, 586, 589, 728, 806, 868, 988, 1064, 1172, 1178, 1456, 1612, 1729, 1736, 1976, 2051, 2128, 2344, 2356, 2821, 3224, 3458, 3472, 3809, 3952, 4102, 4123, 4688, 4712, 5567, 5642, 6448, 6916, 7618, 7657, 8204, 8246, 9083, 9424, 11134, 11284, 13832, 15236, 15314, 16408, 16492, 18166, 22268, 22568, 26663, 27664, 30472, 30628, 32816, 32984, 36332, 38969, 44536, 45136, 53326, 53599, 60944, 61256, 63581, 65968, 72371, 72664, 77938, 89072, 106652, 107198, 118079, 122512, 127162, 144742, 145328, 155876, 172577, 213304, 214396, 236158, 254324, 289484, 311752, 345154, 426608, 428792, 472316, 506597, 508648, 578968, 623504, 690308, 826553, 857584, 944632, 1013194, 1017296, 1157936, 1208039, 1380616, 1653106, 1889264, 2026388, 2243501, 2416078, 2761232, 3306212, 4052776, 4487002, 4832156, 6612424, 8105552, 8974004, 9664312, 13224848, 15704507, 17948008, 19328624, 31409014, 35896016, 62818028, 125636056, 251272112]

約数ペア:

[(1, 251272112), (2, 125636056), (4, 62818028), (7, 35896016), (8, 31409014), (13, 19328624), (14, 17948008), (16, 15704507), (19, 13224848), (26, 9664312), (28, 8974004), (31, 8105552), (38, 6612424), (52, 4832156), (56, 4487002), (62, 4052776), (76, 3306212), (91, 2761232), (104, 2416078), (112, 2243501), (124, 2026388), (133, 1889264), (152, 1653106), (182, 1380616), (208, 1208039), (217, 1157936), (247, 1017296), (248, 1013194), (266, 944632), (293, 857584), (304, 826553), (364, 690308), (403, 623504), (434, 578968), (494, 508648), (496, 506597), (532, 472316), (586, 428792), (589, 426608), (728, 345154), (806, 311752), (868, 289484), (988, 254324), (1064, 236158), (1172, 214396), (1178, 213304), (1456, 172577), (1612, 155876), (1729, 145328), (1736, 144742), (1976, 127162), (2051, 122512), (2128, 118079), (2344, 107198), (2356, 106652), (2821, 89072), (3224, 77938), (3458, 72664), (3472, 72371), (3809, 65968), (3952, 63581), (4102, 61256), (4123, 60944), (4688, 53599), (4712, 53326), (5567, 45136), (5642, 44536), (6448, 38969), (6916, 36332), (7618, 32984), (7657, 32816), (8204, 30628), (8246, 30472), (9083, 27664), (9424, 26663), (11134, 22568), (11284, 22268), (13832, 18166), (15236, 16492), (15314, 16408)]