86851415

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 122204160

約数和(自身を除く): 35352745

約数列:

[1, 5, 7, 35, 79, 101, 311, 395, 505, 553, 707, 1555, 2177, 2765, 3535, 7979, 10885, 24569, 31411, 39895, 55853, 122845, 157055, 171983, 219877, 279265, 859915, 1099385, 2481469, 12407345, 17370283, 86851415]

約数ペア:

[(1, 86851415), (5, 17370283), (7, 12407345), (35, 2481469), (79, 1099385), (101, 859915), (311, 279265), (395, 219877), (505, 171983), (553, 157055), (707, 122845), (1555, 55853), (2177, 39895), (2765, 31411), (3535, 24569), (7979, 10885)]