64981259

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{7691}}^1$

素因数の和:7786

約数の個数: 16

約数和(自身を含む): 79750656

約数和(自身を除く): 14769397

約数列:

[1, 7, 17, 71, 119, 497, 1207, 7691, 8449, 53837, 130747, 546061, 915229, 3822427, 9283037, 64981259]

約数ペア:

[(1, 64981259), (7, 9283037), (17, 3822427), (71, 915229), (119, 546061), (497, 130747), (1207, 53837), (7691, 8449)]