51172415

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{10993}}^1$

素因数の和:11031

約数の個数: 24

約数和(自身を含む): 75198960

約数和(自身を除く): 24026545

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 4655, 10993, 54965, 76951, 208867, 384755, 538657, 1044335, 1462069, 2693285, 7310345, 10234483, 51172415]

約数ペア:

[(1, 51172415), (5, 10234483), (7, 7310345), (19, 2693285), (35, 1462069), (49, 1044335), (95, 538657), (133, 384755), (245, 208867), (665, 76951), (931, 54965), (4655, 10993)]