1781189728

素因数分解:

$2^5\times {\mathrm{397}}^1\times {\mathrm{140207}}^1$

素因数の和:140614

約数の個数: 24

約数和(自身を含む): 3515575392

約数和(自身を除く): 1734385664

約数列:

[1, 2, 4, 8, 16, 32, 397, 794, 1588, 3176, 6352, 12704, 140207, 280414, 560828, 1121656, 2243312, 4486624, 55662179, 111324358, 222648716, 445297432, 890594864, 1781189728]

約数ペア:

[(1, 1781189728), (2, 890594864), (4, 445297432), (8, 222648716), (16, 111324358), (32, 55662179), (397, 4486624), (794, 2243312), (1588, 1121656), (3176, 560828), (6352, 280414), (12704, 140207)]