42220997

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{839}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 53625600

約数和(自身を除く): 11404603

約数列:

[1, 7, 13, 49, 79, 91, 553, 637, 839, 1027, 3871, 5873, 7189, 10907, 41111, 50323, 66281, 76349, 463967, 534443, 861653, 3247769, 6031571, 42220997]

約数ペア:

[(1, 42220997), (7, 6031571), (13, 3247769), (49, 861653), (79, 534443), (91, 463967), (553, 76349), (637, 66281), (839, 50323), (1027, 41111), (3871, 10907), (5873, 7189)]