664176736

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{1637}}^1$

素因数の和:2087

約数の個数: 48

約数和(自身を含む): 1353905280

約数和(自身を除く): 689728544

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 409, 496, 818, 992, 1636, 1637, 3272, 3274, 6544, 6548, 12679, 13088, 13096, 25358, 26192, 50716, 50747, 52384, 101432, 101494, 202864, 202988, 405728, 405976, 669533, 811952, 1339066, 1623904, 2678132, 5356264, 10712528, 20755523, 21425056, 41511046, 83022092, 166044184, 332088368, 664176736]

約数ペア:

[(1, 664176736), (2, 332088368), (4, 166044184), (8, 83022092), (16, 41511046), (31, 21425056), (32, 20755523), (62, 10712528), (124, 5356264), (248, 2678132), (409, 1623904), (496, 1339066), (818, 811952), (992, 669533), (1636, 405976), (1637, 405728), (3272, 202988), (3274, 202864), (6544, 101494), (6548, 101432), (12679, 52384), (13088, 50747), (13096, 50716), (25358, 26192)]