42878381

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{811}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 54429984

約数和(自身を除く): 11551603

約数列:

[1, 7, 13, 49, 83, 91, 581, 637, 811, 1079, 4067, 5677, 7553, 10543, 39739, 52871, 67313, 73801, 471191, 516607, 875069, 3298337, 6125483, 42878381]

約数ペア:

[(1, 42878381), (7, 6125483), (13, 3298337), (49, 875069), (83, 516607), (91, 471191), (581, 73801), (637, 67313), (811, 52871), (1079, 39739), (4067, 10543), (5677, 7553)]