78091816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 165888000

約数和(自身を除く): 87796184

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 79, 88, 94, 158, 188, 239, 316, 376, 478, 517, 632, 869, 956, 1034, 1738, 1912, 2068, 2629, 3476, 3713, 4136, 5258, 6952, 7426, 10516, 11233, 14852, 18881, 21032, 22466, 29704, 37762, 40843, 44932, 75524, 81686, 89864, 123563, 151048, 163372, 207691, 247126, 326744, 415382, 494252, 830764, 887407, 988504, 1661528, 1774814, 3549628, 7099256, 9761477, 19522954, 39045908, 78091816]

約数ペア:

[(1, 78091816), (2, 39045908), (4, 19522954), (8, 9761477), (11, 7099256), (22, 3549628), (44, 1774814), (47, 1661528), (79, 988504), (88, 887407), (94, 830764), (158, 494252), (188, 415382), (239, 326744), (316, 247126), (376, 207691), (478, 163372), (517, 151048), (632, 123563), (869, 89864), (956, 81686), (1034, 75524), (1738, 44932), (1912, 40843), (2068, 37762), (2629, 29704), (3476, 22466), (3713, 21032), (4136, 18881), (5258, 14852), (6952, 11233), (7426, 10516)]