86996021

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{577}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 107931096

約数和(自身を除く): 20935075

約数列:

[1, 7, 17, 49, 119, 181, 577, 833, 1267, 3077, 4039, 8869, 9809, 21539, 28273, 68663, 104437, 150773, 480641, 731059, 1775429, 5117413, 12428003, 86996021]

約数ペア:

[(1, 86996021), (7, 12428003), (17, 5117413), (49, 1775429), (119, 731059), (181, 480641), (577, 150773), (833, 104437), (1267, 68663), (3077, 28273), (4039, 21539), (8869, 9809)]