28695498

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 64912512

約数和(自身を除く): 36217014

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 61, 74, 78, 111, 122, 163, 183, 222, 326, 366, 481, 489, 793, 962, 978, 1443, 1586, 2119, 2257, 2379, 2886, 4238, 4514, 4758, 6031, 6357, 6771, 9943, 12062, 12714, 13542, 18093, 19886, 29341, 29829, 36186, 58682, 59658, 78403, 88023, 129259, 156806, 176046, 235209, 258518, 367891, 387777, 470418, 735782, 775554, 1103673, 2207346, 4782583, 9565166, 14347749, 28695498]

約数ペア:

[(1, 28695498), (2, 14347749), (3, 9565166), (6, 4782583), (13, 2207346), (26, 1103673), (37, 775554), (39, 735782), (61, 470418), (74, 387777), (78, 367891), (111, 258518), (122, 235209), (163, 176046), (183, 156806), (222, 129259), (326, 88023), (366, 78403), (481, 59658), (489, 58682), (793, 36186), (962, 29829), (978, 29341), (1443, 19886), (1586, 18093), (2119, 13542), (2257, 12714), (2379, 12062), (2886, 9943), (4238, 6771), (4514, 6357), (4758, 6031)]