28663978

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{28837}}^1$

素因数の和:28917

約数の個数: 16

約数和(自身を含む): 49832064

約数和(自身を除く): 21168086

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 28837, 57674, 201859, 403718, 2047427, 4094854, 14331989, 28663978]

約数ペア:

[(1, 28663978), (2, 14331989), (7, 4094854), (14, 2047427), (71, 403718), (142, 201859), (497, 57674), (994, 28837)]