28310230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217771}}^1$

素因数の和:217791

約数の個数: 16

約数和(自身を含む): 54878544

約数和(自身を除く): 26568314

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 217771, 435542, 1088855, 2177710, 2831023, 5662046, 14155115, 28310230]

約数ペア:

[(1, 28310230), (2, 14155115), (5, 5662046), (10, 2831023), (13, 2177710), (26, 1088855), (65, 435542), (130, 217771)]