645990605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{2281}}^1\times {\mathrm{4357}}^1$

素因数の和:6656

約数の個数: 16

約数和(自身を含む): 835376304

約数和(自身を除く): 189385699

約数列:

[1, 5, 13, 65, 2281, 4357, 11405, 21785, 29653, 56641, 148265, 283205, 9938317, 49691585, 129198121, 645990605]

約数ペア:

[(1, 645990605), (5, 129198121), (13, 49691585), (65, 9938317), (2281, 283205), (4357, 148265), (11405, 56641), (21785, 29653)]