90138475

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13921}}^1$

素因数の和:13975

約数の個数: 24

約数和(自身を含む): 131200928

約数和(自身を除く): 41062453

約数列:

[1, 5, 7, 25, 35, 37, 175, 185, 259, 925, 1295, 6475, 13921, 69605, 97447, 348025, 487235, 515077, 2436175, 2575385, 3605539, 12876925, 18027695, 90138475]

約数ペア:

[(1, 90138475), (5, 18027695), (7, 12876925), (25, 3605539), (35, 2575385), (37, 2436175), (175, 515077), (185, 487235), (259, 348025), (925, 97447), (1295, 69605), (6475, 13921)]