28203270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21863}}^1$

素因数の和:21916

約数の個数: 32

約数和(自身を含む): 69265152

約数和(自身を除く): 41061882

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 21863, 43726, 65589, 109315, 131178, 218630, 327945, 655890, 940109, 1880218, 2820327, 4700545, 5640654, 9401090, 14101635, 28203270]

約数ペア:

[(1, 28203270), (2, 14101635), (3, 9401090), (5, 5640654), (6, 4700545), (10, 2820327), (15, 1880218), (30, 940109), (43, 655890), (86, 327945), (129, 218630), (215, 131178), (258, 109315), (430, 65589), (645, 43726), (1290, 21863)]