664187648

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{659}}^1$

素因数の和:833

約数の個数: 72

約数和(自身を含む): 1381416960

約数和(自身を除く): 717229312

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 128, 248, 254, 256, 496, 508, 659, 992, 1016, 1318, 1984, 2032, 2636, 3937, 3968, 4064, 5272, 7874, 7936, 8128, 10544, 15748, 16256, 20429, 21088, 31496, 32512, 40858, 42176, 62992, 81716, 83693, 84352, 125984, 163432, 167386, 168704, 251968, 326864, 334772, 503936, 653728, 669544, 1007872, 1307456, 1339088, 2594483, 2614912, 2678176, 5188966, 5229824, 5356352, 10377932, 10712704, 20755864, 21425408, 41511728, 83023456, 166046912, 332093824, 664187648]

約数ペア:

[(1, 664187648), (2, 332093824), (4, 166046912), (8, 83023456), (16, 41511728), (31, 21425408), (32, 20755864), (62, 10712704), (64, 10377932), (124, 5356352), (127, 5229824), (128, 5188966), (248, 2678176), (254, 2614912), (256, 2594483), (496, 1339088), (508, 1307456), (659, 1007872), (992, 669544), (1016, 653728), (1318, 503936), (1984, 334772), (2032, 326864), (2636, 251968), (3937, 168704), (3968, 167386), (4064, 163432), (5272, 125984), (7874, 84352), (7936, 83693), (8128, 81716), (10544, 62992), (15748, 42176), (16256, 40858), (20429, 32512), (21088, 31496)]