27486890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{659}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 51226560

約数和(自身を除く): 23739670

約数列:

[1, 2, 5, 10, 43, 86, 97, 194, 215, 430, 485, 659, 970, 1318, 3295, 4171, 6590, 8342, 20855, 28337, 41710, 56674, 63923, 127846, 141685, 283370, 319615, 639230, 2748689, 5497378, 13743445, 27486890]

約数ペア:

[(1, 27486890), (2, 13743445), (5, 5497378), (10, 2748689), (43, 639230), (86, 319615), (97, 283370), (194, 141685), (215, 127846), (430, 63923), (485, 56674), (659, 41710), (970, 28337), (1318, 20855), (3295, 8342), (4171, 6590)]