4020709

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 24

約数和(自身を含む): 5209344

約数和(自身を除く): 1188635

約数列:

[1, 7, 11, 47, 77, 101, 121, 329, 517, 707, 847, 1111, 3619, 4747, 5687, 7777, 12221, 33229, 39809, 52217, 85547, 365519, 574387, 4020709]

約数ペア:

[(1, 4020709), (7, 574387), (11, 365519), (47, 85547), (77, 52217), (101, 39809), (121, 33229), (329, 12221), (517, 7777), (707, 5687), (847, 4747), (1111, 3619)]