30687839

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 9954721

約数列:

[1, 7, 13, 17, 83, 91, 119, 221, 239, 581, 1079, 1411, 1547, 1673, 3107, 4063, 7553, 9877, 18343, 19837, 21749, 28441, 52819, 128401, 138859, 257881, 337229, 369733, 1805167, 2360603, 4383977, 30687839]

約数ペア:

[(1, 30687839), (7, 4383977), (13, 2360603), (17, 1805167), (83, 369733), (91, 337229), (119, 257881), (221, 138859), (239, 128401), (581, 52819), (1079, 28441), (1411, 21749), (1547, 19837), (1673, 18343), (3107, 9877), (4063, 7553)]