81393728

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{97829}}^1$

素因数の和:97854

約数の個数: 28

約数和(自身を含む): 173941740

約数和(自身を除く): 92548012

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 97829, 195658, 391316, 782632, 1271777, 1565264, 2543554, 3130528, 5087108, 6261056, 10174216, 20348432, 40696864, 81393728]

約数ペア:

[(1, 81393728), (2, 40696864), (4, 20348432), (8, 10174216), (13, 6261056), (16, 5087108), (26, 3130528), (32, 2543554), (52, 1565264), (64, 1271777), (104, 782632), (208, 391316), (416, 195658), (832, 97829)]