28174890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21841}}^1$

素因数の和:21894

約数の個数: 32

約数和(自身を含む): 69195456

約数和(自身を除く): 41020566

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 21841, 43682, 65523, 109205, 131046, 218410, 327615, 655230, 939163, 1878326, 2817489, 4695815, 5634978, 9391630, 14087445, 28174890]

約数ペア:

[(1, 28174890), (2, 14087445), (3, 9391630), (5, 5634978), (6, 4695815), (10, 2817489), (15, 1878326), (30, 939163), (43, 655230), (86, 327615), (129, 218410), (215, 131046), (258, 109205), (430, 65523), (645, 43682), (1290, 21841)]