197935775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{2633}}^1$

素因数の和:2771

約数の個数: 24

約数和(自身を含む): 256066944

約数和(自身を除く): 58131169

約数列:

[1, 5, 25, 31, 97, 155, 485, 775, 2425, 2633, 3007, 13165, 15035, 65825, 75175, 81623, 255401, 408115, 1277005, 2040575, 6385025, 7917431, 39587155, 197935775]

約数ペア:

[(1, 197935775), (5, 39587155), (25, 7917431), (31, 6385025), (97, 2040575), (155, 1277005), (485, 408115), (775, 255401), (2425, 81623), (2633, 75175), (3007, 65825), (13165, 15035)]