148923905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 198132480

約数和(自身を除く): 49208575

約数列:

[1, 5, 13, 53, 65, 139, 265, 311, 689, 695, 1555, 1807, 3445, 4043, 7367, 9035, 16483, 20215, 36835, 43229, 82415, 95771, 214279, 216145, 478855, 561977, 1071395, 2291137, 2809885, 11455685, 29784781, 148923905]

約数ペア:

[(1, 148923905), (5, 29784781), (13, 11455685), (53, 2809885), (65, 2291137), (139, 1071395), (265, 561977), (311, 478855), (689, 216145), (695, 214279), (1555, 95771), (1807, 82415), (3445, 43229), (4043, 36835), (7367, 20215), (9035, 16483)]