90212675

素因数分解:

$5^2\times 7^2\times {\mathrm{73643}}^1$

素因数の和:73667

約数の個数: 18

約数和(自身を含む): 130128948

約数和(自身を除く): 39916273

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 73643, 368215, 515501, 1841075, 2577505, 3608507, 12887525, 18042535, 90212675]

約数ペア:

[(1, 90212675), (5, 18042535), (7, 12887525), (25, 3608507), (35, 2577505), (49, 1841075), (175, 515501), (245, 368215), (1225, 73643)]