128587736

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{239}}^1\times {\mathrm{617}}^1$

素因数の和:971

約数の個数: 32

約数和(自身を含む): 244728000

約数和(自身を除く): 116140264

約数列:

[1, 2, 4, 8, 109, 218, 239, 436, 478, 617, 872, 956, 1234, 1912, 2468, 4936, 26051, 52102, 67253, 104204, 134506, 147463, 208408, 269012, 294926, 538024, 589852, 1179704, 16073467, 32146934, 64293868, 128587736]

約数ペア:

[(1, 128587736), (2, 64293868), (4, 32146934), (8, 16073467), (109, 1179704), (218, 589852), (239, 538024), (436, 294926), (478, 269012), (617, 208408), (872, 147463), (956, 134506), (1234, 104204), (1912, 67253), (2468, 52102), (4936, 26051)]