64138605

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 109892160

約数和(自身を除く): 45753555

約数列:

[1, 3, 5, 15, 23, 59, 69, 115, 137, 177, 295, 345, 411, 529, 685, 885, 1357, 1587, 2055, 2645, 3151, 4071, 6785, 7935, 8083, 9453, 15755, 20355, 24249, 31211, 40415, 47265, 72473, 93633, 121245, 156055, 185909, 217419, 362365, 468165, 557727, 929545, 1087095, 2788635, 4275907, 12827721, 21379535, 64138605]

約数ペア:

[(1, 64138605), (3, 21379535), (5, 12827721), (15, 4275907), (23, 2788635), (59, 1087095), (69, 929545), (115, 557727), (137, 468165), (177, 362365), (295, 217419), (345, 185909), (411, 156055), (529, 121245), (685, 93633), (885, 72473), (1357, 47265), (1587, 40415), (2055, 31211), (2645, 24249), (3151, 20355), (4071, 15755), (6785, 9453), (7935, 8083)]