2789081990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{144737}}^1$

素因数の和:144832

約数の個数: 32

約数和(自身を含む): 5252252544

約数和(自身を除く): 2463170554

約数列:

[1, 2, 5, 10, 41, 47, 82, 94, 205, 235, 410, 470, 1927, 3854, 9635, 19270, 144737, 289474, 723685, 1447370, 5934217, 6802639, 11868434, 13605278, 29671085, 34013195, 59342170, 68026390, 278908199, 557816398, 1394540995, 2789081990]

約数ペア:

[(1, 2789081990), (2, 1394540995), (5, 557816398), (10, 278908199), (41, 68026390), (47, 59342170), (82, 34013195), (94, 29671085), (205, 13605278), (235, 11868434), (410, 6802639), (470, 5934217), (1927, 1447370), (3854, 723685), (9635, 289474), (19270, 144737)]