204511915

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{3907}}^1$

素因数の和:3979

約数の個数: 24

約数和(自身を含む): 268010640

約数和(自身を除く): 63498725

約数列:

[1, 5, 19, 29, 95, 145, 361, 551, 1805, 2755, 3907, 10469, 19535, 52345, 74233, 113303, 371165, 566515, 1410427, 2152757, 7052135, 10763785, 40902383, 204511915]

約数ペア:

[(1, 204511915), (5, 40902383), (19, 10763785), (29, 7052135), (95, 2152757), (145, 1410427), (361, 566515), (551, 371165), (1805, 113303), (2755, 74233), (3907, 52345), (10469, 19535)]