1396325

素因数分解:

$5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 2023680

約数和(自身を除く): 627355

約数列:

[1, 5, 7, 25, 35, 79, 101, 175, 395, 505, 553, 707, 1975, 2525, 2765, 3535, 7979, 13825, 17675, 39895, 55853, 199475, 279265, 1396325]

約数ペア:

[(1, 1396325), (5, 279265), (7, 199475), (25, 55853), (35, 39895), (79, 17675), (101, 13825), (175, 7979), (395, 3535), (505, 2765), (553, 2525), (707, 1975)]