81871312

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{937}}^1$

素因数の和:1115

約数の個数: 40

約数和(自身を含む): 163767296

約数和(自身を除く): 81895984

約数列:

[1, 2, 4, 8, 16, 43, 86, 127, 172, 254, 344, 508, 688, 937, 1016, 1874, 2032, 3748, 5461, 7496, 10922, 14992, 21844, 40291, 43688, 80582, 87376, 118999, 161164, 237998, 322328, 475996, 644656, 951992, 1903984, 5116957, 10233914, 20467828, 40935656, 81871312]

約数ペア:

[(1, 81871312), (2, 40935656), (4, 20467828), (8, 10233914), (16, 5116957), (43, 1903984), (86, 951992), (127, 644656), (172, 475996), (254, 322328), (344, 237998), (508, 161164), (688, 118999), (937, 87376), (1016, 80582), (1874, 43688), (2032, 40291), (3748, 21844), (5461, 14992), (7496, 10922)]