71312705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 94089600

約数和(自身を除く): 22776895

約数列:

[1, 5, 17, 43, 85, 109, 179, 215, 545, 731, 895, 1853, 3043, 3655, 4687, 7697, 9265, 15215, 19511, 23435, 38485, 79679, 97555, 130849, 331687, 398395, 654245, 838973, 1658435, 4194865, 14262541, 71312705]

約数ペア:

[(1, 71312705), (5, 14262541), (17, 4194865), (43, 1658435), (85, 838973), (109, 654245), (179, 398395), (215, 331687), (545, 130849), (731, 97555), (895, 79679), (1853, 38485), (3043, 23435), (3655, 19511), (4687, 15215), (7697, 9265)]