199989968

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{2437}}^1$

素因数の和:2691

約数の個数: 40

約数和(自身を含む): 406307328

約数和(自身を除く): 206317360

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 223, 368, 446, 892, 1784, 2437, 3568, 4874, 5129, 9748, 10258, 19496, 20516, 38992, 41032, 56051, 82064, 112102, 224204, 448408, 543451, 896816, 1086902, 2173804, 4347608, 8695216, 12499373, 24998746, 49997492, 99994984, 199989968]

約数ペア:

[(1, 199989968), (2, 99994984), (4, 49997492), (8, 24998746), (16, 12499373), (23, 8695216), (46, 4347608), (92, 2173804), (184, 1086902), (223, 896816), (368, 543451), (446, 448408), (892, 224204), (1784, 112102), (2437, 82064), (3568, 56051), (4874, 41032), (5129, 38992), (9748, 20516), (10258, 19496)]