77987988

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{55547}}^1$

素因数の和:55573

約数の個数: 48

約数和(自身を含む): 217748160

約数和(自身を除く): 139760172

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 55547, 111094, 166641, 222188, 333282, 499923, 666564, 722111, 999846, 1444222, 1499769, 1999692, 2166333, 2888444, 2999538, 4332666, 5999076, 6498999, 8665332, 12997998, 19496997, 25995996, 38993994, 77987988]

約数ペア:

[(1, 77987988), (2, 38993994), (3, 25995996), (4, 19496997), (6, 12997998), (9, 8665332), (12, 6498999), (13, 5999076), (18, 4332666), (26, 2999538), (27, 2888444), (36, 2166333), (39, 1999692), (52, 1499769), (54, 1444222), (78, 999846), (108, 722111), (117, 666564), (156, 499923), (234, 333282), (351, 222188), (468, 166641), (702, 111094), (1404, 55547)]