820879994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{3719}}^1$

素因数の和:3938

約数の個数: 32

約数和(自身を含む): 1371340800

約数和(自身を除く): 550460806

約数列:

[1, 2, 11, 22, 79, 127, 158, 254, 869, 1397, 1738, 2794, 3719, 7438, 10033, 20066, 40909, 81818, 110363, 220726, 293801, 472313, 587602, 944626, 3231811, 5195443, 6463622, 10390886, 37312727, 74625454, 410439997, 820879994]

約数ペア:

[(1, 820879994), (2, 410439997), (11, 74625454), (22, 37312727), (79, 10390886), (127, 6463622), (158, 5195443), (254, 3231811), (869, 944626), (1397, 587602), (1738, 472313), (2794, 293801), (3719, 220726), (7438, 110363), (10033, 81818), (20066, 40909)]