387205

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:85

約数の個数: 32

約数和(自身を含む): 612864

約数和(自身を除く): 225659

約数列:

[1, 5, 7, 13, 23, 35, 37, 65, 91, 115, 161, 185, 259, 299, 455, 481, 805, 851, 1295, 1495, 2093, 2405, 3367, 4255, 5957, 10465, 11063, 16835, 29785, 55315, 77441, 387205]

約数ペア:

[(1, 387205), (5, 77441), (7, 55315), (13, 29785), (23, 16835), (35, 11063), (37, 10465), (65, 5957), (91, 4255), (115, 3367), (161, 2405), (185, 2093), (259, 1495), (299, 1295), (455, 851), (481, 805)]