15788690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 29487024

約数和(自身を除く): 13698334

約数列:

[1, 2, 5, 10, 41, 82, 97, 194, 205, 397, 410, 485, 794, 970, 1985, 3970, 3977, 7954, 16277, 19885, 32554, 38509, 39770, 77018, 81385, 162770, 192545, 385090, 1578869, 3157738, 7894345, 15788690]

約数ペア:

[(1, 15788690), (2, 7894345), (5, 3157738), (10, 1578869), (41, 385090), (82, 192545), (97, 162770), (194, 81385), (205, 77018), (397, 39770), (410, 38509), (485, 32554), (794, 19885), (970, 16277), (1985, 7954), (3970, 3977)]