1640802790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14916389}}^1$

素因数の和:14916407

約数の個数: 16

約数和(自身を含む): 3221940240

約数和(自身を除く): 1581137450

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 14916389, 29832778, 74581945, 149163890, 164080279, 328160558, 820401395, 1640802790]

約数ペア:

[(1, 1640802790), (2, 820401395), (5, 328160558), (10, 164080279), (11, 149163890), (22, 74581945), (55, 29832778), (110, 14916389)]