31199792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2459}}^1$

素因数の和:2541

約数の個数: 40

約数和(自身を含む): 66193680

約数和(自身を除く): 34993888

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 2459, 3172, 4918, 6344, 9836, 12688, 19672, 31967, 39344, 63934, 127868, 149999, 255736, 299998, 511472, 599996, 1199992, 1949987, 2399984, 3899974, 7799948, 15599896, 31199792]

約数ペア:

[(1, 31199792), (2, 15599896), (4, 7799948), (8, 3899974), (13, 2399984), (16, 1949987), (26, 1199992), (52, 599996), (61, 511472), (104, 299998), (122, 255736), (208, 149999), (244, 127868), (488, 63934), (793, 39344), (976, 31967), (1586, 19672), (2459, 12688), (3172, 9836), (4918, 6344)]