42921263

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{5519}}^1$

素因数の和:5638

約数の個数: 16

約数和(自身を含む): 54051840

約数和(自身を除く): 11130577

約数列:

[1, 7, 11, 77, 101, 707, 1111, 5519, 7777, 38633, 60709, 424963, 557419, 3901933, 6131609, 42921263]

約数ペア:

[(1, 42921263), (7, 6131609), (11, 3901933), (77, 557419), (101, 424963), (707, 60709), (1111, 38633), (5519, 7777)]