1387666070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{421783}}^1$

素因数の和:421844

約数の個数: 32

約数和(自身を含む): 2915371008

約数和(自身を除く): 1527704938

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 421783, 843566, 2108915, 2952481, 4217830, 5904962, 14762405, 19823801, 29524810, 39647602, 99119005, 138766607, 198238010, 277533214, 693833035, 1387666070]

約数ペア:

[(1, 1387666070), (2, 693833035), (5, 277533214), (7, 198238010), (10, 138766607), (14, 99119005), (35, 39647602), (47, 29524810), (70, 19823801), (94, 14762405), (235, 5904962), (329, 4217830), (470, 2952481), (658, 2108915), (1645, 843566), (3290, 421783)]