71922175

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{587}}^1$

素因数の和:652

約数の個数: 36

約数和(自身を含む): 100071720

約数和(自身を除く): 28149545

約数列:

[1, 5, 13, 25, 29, 65, 145, 169, 325, 377, 587, 725, 845, 1885, 2935, 4225, 4901, 7631, 9425, 14675, 17023, 24505, 38155, 85115, 99203, 122525, 190775, 221299, 425575, 496015, 1106495, 2480075, 2876887, 5532475, 14384435, 71922175]

約数ペア:

[(1, 71922175), (5, 14384435), (13, 5532475), (25, 2876887), (29, 2480075), (65, 1106495), (145, 496015), (169, 425575), (325, 221299), (377, 190775), (587, 122525), (725, 99203), (845, 85115), (1885, 38155), (2935, 24505), (4225, 17023), (4901, 14675), (7631, 9425)]