81461569294

素因数分解:

$2^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{1069}}^1\times {\mathrm{1847}}^1$

素因数の和:3353

約数の個数: 48

約数和(自身を含む): 142690252320

約数和(自身を除く): 61228683026

約数列:

[1, 2, 7, 14, 49, 98, 421, 842, 1069, 1847, 2138, 2947, 3694, 5894, 7483, 12929, 14966, 20629, 25858, 41258, 52381, 90503, 104762, 181006, 450049, 777587, 900098, 1555174, 1974443, 3150343, 3948886, 5443109, 6300686, 10886218, 13821101, 22052401, 27642202, 38101763, 44104802, 76203526, 96747707, 193495414, 831240503, 1662481006, 5818683521, 11637367042, 40730784647, 81461569294]

約数ペア:

[(1, 81461569294), (2, 40730784647), (7, 11637367042), (14, 5818683521), (49, 1662481006), (98, 831240503), (421, 193495414), (842, 96747707), (1069, 76203526), (1847, 44104802), (2138, 38101763), (2947, 27642202), (3694, 22052401), (5894, 13821101), (7483, 10886218), (12929, 6300686), (14966, 5443109), (20629, 3948886), (25858, 3150343), (41258, 1974443), (52381, 1555174), (90503, 900098), (104762, 777587), (181006, 450049)]