68876390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8819}}^1$

素因数の和:8908

約数の個数: 32

約数和(自身を含む): 137168640

約数和(自身を除く): 68292250

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 8819, 17638, 44095, 88190, 97009, 194018, 485045, 626149, 970090, 1252298, 3130745, 6261490, 6887639, 13775278, 34438195, 68876390]

約数ペア:

[(1, 68876390), (2, 34438195), (5, 13775278), (10, 6887639), (11, 6261490), (22, 3130745), (55, 1252298), (71, 970090), (110, 626149), (142, 485045), (355, 194018), (710, 97009), (781, 88190), (1562, 44095), (3905, 17638), (7810, 8819)]