31195528

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{587}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 73100160

約数和(自身を除く): 41904632

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 73, 91, 104, 146, 182, 292, 364, 511, 584, 587, 728, 949, 1022, 1174, 1898, 2044, 2348, 3796, 4088, 4109, 4696, 6643, 7592, 7631, 8218, 13286, 15262, 16436, 26572, 30524, 32872, 42851, 53144, 53417, 61048, 85702, 106834, 171404, 213668, 299957, 342808, 427336, 557063, 599914, 1114126, 1199828, 2228252, 2399656, 3899441, 4456504, 7798882, 15597764, 31195528]

約数ペア:

[(1, 31195528), (2, 15597764), (4, 7798882), (7, 4456504), (8, 3899441), (13, 2399656), (14, 2228252), (26, 1199828), (28, 1114126), (52, 599914), (56, 557063), (73, 427336), (91, 342808), (104, 299957), (146, 213668), (182, 171404), (292, 106834), (364, 85702), (511, 61048), (584, 53417), (587, 53144), (728, 42851), (949, 32872), (1022, 30524), (1174, 26572), (1898, 16436), (2044, 15262), (2348, 13286), (3796, 8218), (4088, 7631), (4109, 7592), (4696, 6643)]