29881355

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 12420085

約数列:

[1, 5, 7, 35, 79, 101, 107, 395, 505, 535, 553, 707, 749, 2765, 3535, 3745, 7979, 8453, 10807, 39895, 42265, 54035, 55853, 59171, 75649, 279265, 295855, 378245, 853753, 4268765, 5976271, 29881355]

約数ペア:

[(1, 29881355), (5, 5976271), (7, 4268765), (35, 853753), (79, 378245), (101, 295855), (107, 279265), (395, 75649), (505, 59171), (535, 55853), (553, 54035), (707, 42265), (749, 39895), (2765, 10807), (3535, 8453), (3745, 7979)]