78661384

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{757}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 152812800

約数和(自身を除く): 74151416

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 419, 757, 838, 1514, 1676, 3028, 3352, 6056, 12989, 23467, 25978, 46934, 51956, 93868, 103912, 187736, 317183, 634366, 1268732, 2537464, 9832673, 19665346, 39330692, 78661384]

約数ペア:

[(1, 78661384), (2, 39330692), (4, 19665346), (8, 9832673), (31, 2537464), (62, 1268732), (124, 634366), (248, 317183), (419, 187736), (757, 103912), (838, 93868), (1514, 51956), (1676, 46934), (3028, 25978), (3352, 23467), (6056, 12989)]