349962565

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 437484024

約数和(自身を除く): 87521459

約数列:

[1, 5, 31, 155, 173, 421, 865, 961, 2105, 4805, 5363, 13051, 26815, 65255, 72833, 166253, 364165, 404581, 831265, 2022905, 2257823, 11289115, 69992513, 349962565]

約数ペア:

[(1, 349962565), (5, 69992513), (31, 11289115), (155, 2257823), (173, 2022905), (421, 831265), (865, 404581), (961, 364165), (2105, 166253), (4805, 72833), (5363, 65255), (13051, 26815)]