51339995

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 77565600

約数和(自身を除く): 26225605

約数列:

[1, 5, 7, 19, 35, 41, 49, 95, 133, 205, 245, 269, 287, 665, 779, 931, 1345, 1435, 1883, 2009, 3895, 4655, 5111, 5453, 9415, 10045, 11029, 13181, 25555, 27265, 35777, 38171, 55145, 65905, 77203, 178885, 190855, 209551, 250439, 386015, 540421, 1047755, 1252195, 1466857, 2702105, 7334285, 10267999, 51339995]

約数ペア:

[(1, 51339995), (5, 10267999), (7, 7334285), (19, 2702105), (35, 1466857), (41, 1252195), (49, 1047755), (95, 540421), (133, 386015), (205, 250439), (245, 209551), (269, 190855), (287, 178885), (665, 77203), (779, 65905), (931, 55145), (1345, 38171), (1435, 35777), (1883, 27265), (2009, 25555), (3895, 13181), (4655, 11029), (5111, 10045), (5453, 9415)]