81212818

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{7331}}^1$

素因数の和:7553

約数の個数: 16

約数和(自身を含む): 126696960

約数和(自身を除く): 45484142

約数列:

[1, 2, 29, 58, 191, 382, 5539, 7331, 11078, 14662, 212599, 425198, 1400221, 2800442, 40606409, 81212818]

約数ペア:

[(1, 81212818), (2, 40606409), (29, 2800442), (58, 1400221), (191, 425198), (382, 212599), (5539, 14662), (7331, 11078)]