258078685

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 330220800

約数和(自身を除く): 72142115

約数列:

[1, 5, 29, 59, 97, 145, 295, 311, 485, 1555, 1711, 2813, 5723, 8555, 9019, 14065, 18349, 28615, 30167, 45095, 91745, 150835, 165967, 532121, 829835, 874843, 1779853, 2660605, 4374215, 8899265, 51615737, 258078685]

約数ペア:

[(1, 258078685), (5, 51615737), (29, 8899265), (59, 4374215), (97, 2660605), (145, 1779853), (295, 874843), (311, 829835), (485, 532121), (1555, 165967), (1711, 150835), (2813, 91745), (5723, 45095), (8555, 30167), (9019, 28615), (14065, 18349)]