249260545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2161}}^1$

素因数の和:2265

約数の個数: 32

約数和(自身を含む): 336234240

約数和(自身を除く): 86973695

約数列:

[1, 5, 17, 23, 59, 85, 115, 295, 391, 1003, 1357, 1955, 2161, 5015, 6785, 10805, 23069, 36737, 49703, 115345, 127499, 183685, 248515, 637495, 844951, 2167483, 2932477, 4224755, 10837415, 14662385, 49852109, 249260545]

約数ペア:

[(1, 249260545), (5, 49852109), (17, 14662385), (23, 10837415), (59, 4224755), (85, 2932477), (115, 2167483), (295, 844951), (391, 637495), (1003, 248515), (1357, 183685), (1955, 127499), (2161, 115345), (5015, 49703), (6785, 36737), (10805, 23069)]