71527490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{419}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 132390720

約数和(自身を除く): 60863230

約数列:

[1, 2, 5, 10, 43, 86, 215, 397, 419, 430, 794, 838, 1985, 2095, 3970, 4190, 17071, 18017, 34142, 36034, 85355, 90085, 166343, 170710, 180170, 332686, 831715, 1663430, 7152749, 14305498, 35763745, 71527490]

約数ペア:

[(1, 71527490), (2, 35763745), (5, 14305498), (10, 7152749), (43, 1663430), (86, 831715), (215, 332686), (397, 180170), (419, 170710), (430, 166343), (794, 90085), (838, 85355), (1985, 36034), (2095, 34142), (3970, 18017), (4190, 17071)]