15809456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{263}}^1$

素因数の和:318

約数の個数: 60

約数和(自身を含む): 35174832

約数和(自身を除く): 19365376

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 263, 272, 289, 442, 526, 578, 884, 1052, 1156, 1768, 2104, 2312, 3419, 3536, 3757, 4208, 4471, 4624, 6838, 7514, 8942, 13676, 15028, 17884, 27352, 30056, 35768, 54704, 58123, 60112, 71536, 76007, 116246, 152014, 232492, 304028, 464984, 608056, 929968, 988091, 1216112, 1976182, 3952364, 7904728, 15809456]

約数ペア:

[(1, 15809456), (2, 7904728), (4, 3952364), (8, 1976182), (13, 1216112), (16, 988091), (17, 929968), (26, 608056), (34, 464984), (52, 304028), (68, 232492), (104, 152014), (136, 116246), (208, 76007), (221, 71536), (263, 60112), (272, 58123), (289, 54704), (442, 35768), (526, 30056), (578, 27352), (884, 17884), (1052, 15028), (1156, 13676), (1768, 8942), (2104, 7514), (2312, 6838), (3419, 4624), (3536, 4471), (3757, 4208)]