65490545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 87816960

約数和(自身を除く): 22326415

約数列:

[1, 5, 17, 23, 85, 115, 139, 241, 391, 695, 1205, 1955, 2363, 3197, 4097, 5543, 11815, 15985, 20485, 27715, 33499, 54349, 94231, 167495, 271745, 471155, 569483, 770477, 2847415, 3852385, 13098109, 65490545]

約数ペア:

[(1, 65490545), (5, 13098109), (17, 3852385), (23, 2847415), (85, 770477), (115, 569483), (139, 471155), (241, 271745), (391, 167495), (695, 94231), (1205, 54349), (1955, 33499), (2363, 27715), (3197, 20485), (4097, 15985), (5543, 11815)]