28109870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{90677}}^1$

素因数の和:90715

約数の個数: 16

約数和(自身を含む): 52230528

約数和(自身を除く): 24120658

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 90677, 181354, 453385, 906770, 2810987, 5621974, 14054935, 28109870]

約数ペア:

[(1, 28109870), (2, 14054935), (5, 5621974), (10, 2810987), (31, 906770), (62, 453385), (155, 181354), (310, 90677)]