128725812

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{401}}^1$

素因数の和:689

約数の個数: 72

約数和(自身を含む): 336408072

約数和(自身を除く): 207682260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 241, 333, 401, 444, 482, 666, 723, 802, 964, 1203, 1332, 1446, 1604, 2169, 2406, 2892, 3609, 4338, 4812, 7218, 8676, 8917, 14436, 14837, 17834, 26751, 29674, 35668, 44511, 53502, 59348, 80253, 89022, 96641, 107004, 133533, 160506, 178044, 193282, 267066, 289923, 321012, 386564, 534132, 579846, 869769, 1159692, 1739538, 3479076, 3575717, 7151434, 10727151, 14302868, 21454302, 32181453, 42908604, 64362906, 128725812]

約数ペア:

[(1, 128725812), (2, 64362906), (3, 42908604), (4, 32181453), (6, 21454302), (9, 14302868), (12, 10727151), (18, 7151434), (36, 3575717), (37, 3479076), (74, 1739538), (111, 1159692), (148, 869769), (222, 579846), (241, 534132), (333, 386564), (401, 321012), (444, 289923), (482, 267066), (666, 193282), (723, 178044), (802, 160506), (964, 133533), (1203, 107004), (1332, 96641), (1446, 89022), (1604, 80253), (2169, 59348), (2406, 53502), (2892, 44511), (3609, 35668), (4338, 29674), (4812, 26751), (7218, 17834), (8676, 14837), (8917, 14436)]