28971290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{99901}}^1$

素因数の和:99937

約数の個数: 16

約数和(自身を含む): 53947080

約数和(自身を除く): 24975790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 99901, 199802, 499505, 999010, 2897129, 5794258, 14485645, 28971290]

約数ペア:

[(1, 28971290), (2, 14485645), (5, 5794258), (10, 2897129), (29, 999010), (58, 499505), (145, 199802), (290, 99901)]