28853690

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{40639}}^1$

素因数の和:40717

約数の個数: 16

約数和(自身を含む): 52669440

約数和(自身を除く): 23815750

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 40639, 81278, 203195, 406390, 2885369, 5770738, 14426845, 28853690]

約数ペア:

[(1, 28853690), (2, 14426845), (5, 5770738), (10, 2885369), (71, 406390), (142, 203195), (355, 81278), (710, 40639)]