81225424

素因数分解:

$2^4\times 7^1\times {\mathrm{191}}^1\times {\mathrm{3797}}^1$

素因数の和:4003

約数の個数: 40

約数和(自身を含む): 180845568

約数和(自身を除く): 99620144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191, 382, 764, 1337, 1528, 2674, 3056, 3797, 5348, 7594, 10696, 15188, 21392, 26579, 30376, 53158, 60752, 106316, 212632, 425264, 725227, 1450454, 2900908, 5076589, 5801816, 10153178, 11603632, 20306356, 40612712, 81225424]

約数ペア:

[(1, 81225424), (2, 40612712), (4, 20306356), (7, 11603632), (8, 10153178), (14, 5801816), (16, 5076589), (28, 2900908), (56, 1450454), (112, 725227), (191, 425264), (382, 212632), (764, 106316), (1337, 60752), (1528, 53158), (2674, 30376), (3056, 26579), (3797, 21392), (5348, 15188), (7594, 10696)]