85139215

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 128537280

約数和(自身を除く): 43398065

約数列:

[1, 5, 7, 23, 29, 35, 49, 115, 145, 161, 203, 245, 521, 667, 805, 1015, 1127, 1421, 2605, 3335, 3647, 4669, 5635, 7105, 11983, 15109, 18235, 23345, 25529, 32683, 59915, 75545, 83881, 105763, 127645, 163415, 347507, 419405, 528815, 587167, 740341, 1737535, 2432549, 2935835, 3701705, 12162745, 17027843, 85139215]

約数ペア:

[(1, 85139215), (5, 17027843), (7, 12162745), (23, 3701705), (29, 2935835), (35, 2432549), (49, 1737535), (115, 740341), (145, 587167), (161, 528815), (203, 419405), (245, 347507), (521, 163415), (667, 127645), (805, 105763), (1015, 83881), (1127, 75545), (1421, 59915), (2605, 32683), (3335, 25529), (3647, 23345), (4669, 18235), (5635, 15109), (7105, 11983)]