90941075

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:392

約数の個数: 36

約数和(自身を含む): 123111912

約数和(自身を除く): 32170837

約数列:

[1, 5, 17, 25, 41, 85, 205, 289, 307, 425, 697, 1025, 1445, 1535, 3485, 5219, 7225, 7675, 11849, 12587, 17425, 26095, 59245, 62935, 88723, 130475, 213979, 296225, 314675, 443615, 1069895, 2218075, 3637643, 5349475, 18188215, 90941075]

約数ペア:

[(1, 90941075), (5, 18188215), (17, 5349475), (25, 3637643), (41, 2218075), (85, 1069895), (205, 443615), (289, 314675), (307, 296225), (425, 213979), (697, 130475), (1025, 88723), (1445, 62935), (1535, 59245), (3485, 26095), (5219, 17425), (7225, 12587), (7675, 11849)]