28889690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{397}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 55019520

約数和(自身を除く): 26129830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 383, 397, 766, 794, 1915, 1985, 3830, 3970, 7277, 7543, 14554, 15086, 36385, 37715, 72770, 75430, 152051, 304102, 760255, 1520510, 2888969, 5777938, 14444845, 28889690]

約数ペア:

[(1, 28889690), (2, 14444845), (5, 5777938), (10, 2888969), (19, 1520510), (38, 760255), (95, 304102), (190, 152051), (383, 75430), (397, 72770), (766, 37715), (794, 36385), (1915, 15086), (1985, 14554), (3830, 7543), (3970, 7277)]