90921985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1699}}^1$

素因数の和:1861

約数の個数: 32

約数和(自身を含む): 137088000

約数和(自身を除く): 46166015

約数列:

[1, 5, 7, 11, 35, 55, 77, 139, 385, 695, 973, 1529, 1699, 4865, 7645, 8495, 10703, 11893, 18689, 53515, 59465, 93445, 130823, 236161, 654115, 1180805, 1653127, 2597771, 8265635, 12988855, 18184397, 90921985]

約数ペア:

[(1, 90921985), (5, 18184397), (7, 12988855), (11, 8265635), (35, 2597771), (55, 1653127), (77, 1180805), (139, 654115), (385, 236161), (695, 130823), (973, 93445), (1529, 59465), (1699, 53515), (4865, 18689), (7645, 11893), (8495, 10703)]