128694392

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{1637}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 250024320

約数和(自身を除く): 121329928

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 317, 634, 1268, 1637, 2536, 3274, 6548, 9827, 13096, 19654, 39308, 50747, 78616, 101494, 202988, 405976, 518929, 1037858, 2075716, 4151432, 16086799, 32173598, 64347196, 128694392]

約数ペア:

[(1, 128694392), (2, 64347196), (4, 32173598), (8, 16086799), (31, 4151432), (62, 2075716), (124, 1037858), (248, 518929), (317, 405976), (634, 202988), (1268, 101494), (1637, 78616), (2536, 50747), (3274, 39308), (6548, 19654), (9827, 13096)]