28489968

素因数分解:

$2^4\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:141

約数の個数: 200

約数和(自身を含む): 94525200

約数和(自身を除く): 66035232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 27, 36, 38, 39, 48, 52, 54, 57, 72, 76, 78, 81, 89, 104, 108, 114, 117, 144, 152, 156, 162, 171, 178, 208, 216, 228, 234, 247, 267, 304, 312, 324, 342, 351, 356, 432, 456, 468, 494, 513, 534, 624, 648, 684, 702, 712, 741, 801, 912, 936, 988, 1026, 1053, 1068, 1157, 1296, 1368, 1404, 1424, 1482, 1539, 1602, 1691, 1872, 1976, 2052, 2106, 2136, 2223, 2314, 2403, 2736, 2808, 2964, 3078, 3204, 3382, 3471, 3952, 4104, 4212, 4272, 4446, 4628, 4806, 5073, 5616, 5928, 6156, 6408, 6669, 6764, 6942, 7209, 8208, 8424, 8892, 9256, 9612, 10146, 10413, 11856, 12312, 12816, 13338, 13528, 13884, 14418, 15219, 16848, 17784, 18512, 19224, 20007, 20292, 20826, 21983, 24624, 26676, 27056, 27768, 28836, 30438, 31239, 35568, 38448, 40014, 40584, 41652, 43966, 45657, 53352, 55536, 57672, 60876, 62478, 65949, 80028, 81168, 83304, 87932, 91314, 93717, 106704, 115344, 121752, 124956, 131898, 136971, 160056, 166608, 175864, 182628, 187434, 197847, 243504, 249912, 263796, 273942, 320112, 351728, 365256, 374868, 395694, 499824, 527592, 547884, 593541, 730512, 749736, 791388, 1055184, 1095768, 1187082, 1499472, 1582776, 1780623, 2191536, 2374164, 3165552, 3561246, 4748328, 7122492, 9496656, 14244984, 28489968]

約数ペア:

[(1, 28489968), (2, 14244984), (3, 9496656), (4, 7122492), (6, 4748328), (8, 3561246), (9, 3165552), (12, 2374164), (13, 2191536), (16, 1780623), (18, 1582776), (19, 1499472), (24, 1187082), (26, 1095768), (27, 1055184), (36, 791388), (38, 749736), (39, 730512), (48, 593541), (52, 547884), (54, 527592), (57, 499824), (72, 395694), (76, 374868), (78, 365256), (81, 351728), (89, 320112), (104, 273942), (108, 263796), (114, 249912), (117, 243504), (144, 197847), (152, 187434), (156, 182628), (162, 175864), (171, 166608), (178, 160056), (208, 136971), (216, 131898), (228, 124956), (234, 121752), (247, 115344), (267, 106704), (304, 93717), (312, 91314), (324, 87932), (342, 83304), (351, 81168), (356, 80028), (432, 65949), (456, 62478), (468, 60876), (494, 57672), (513, 55536), (534, 53352), (624, 45657), (648, 43966), (684, 41652), (702, 40584), (712, 40014), (741, 38448), (801, 35568), (912, 31239), (936, 30438), (988, 28836), (1026, 27768), (1053, 27056), (1068, 26676), (1157, 24624), (1296, 21983), (1368, 20826), (1404, 20292), (1424, 20007), (1482, 19224), (1539, 18512), (1602, 17784), (1691, 16848), (1872, 15219), (1976, 14418), (2052, 13884), (2106, 13528), (2136, 13338), (2223, 12816), (2314, 12312), (2403, 11856), (2736, 10413), (2808, 10146), (2964, 9612), (3078, 9256), (3204, 8892), (3382, 8424), (3471, 8208), (3952, 7209), (4104, 6942), (4212, 6764), (4272, 6669), (4446, 6408), (4628, 6156), (4806, 5928), (5073, 5616)]