31618544

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:513

約数の個数: 40

約数和(自身を含む): 63360528

約数和(自身を除く): 31741984

約数列:

[1, 2, 4, 8, 16, 41, 82, 157, 164, 307, 314, 328, 614, 628, 656, 1228, 1256, 2456, 2512, 4912, 6437, 12587, 12874, 25174, 25748, 48199, 50348, 51496, 96398, 100696, 102992, 192796, 201392, 385592, 771184, 1976159, 3952318, 7904636, 15809272, 31618544]

約数ペア:

[(1, 31618544), (2, 15809272), (4, 7904636), (8, 3952318), (16, 1976159), (41, 771184), (82, 385592), (157, 201392), (164, 192796), (307, 102992), (314, 100696), (328, 96398), (614, 51496), (628, 50348), (656, 48199), (1228, 25748), (1256, 25174), (2456, 12874), (2512, 12587), (4912, 6437)]