28213510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217027}}^1$

素因数の和:217047

約数の個数: 16

約数和(自身を含む): 54691056

約数和(自身を除く): 26477546

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 217027, 434054, 1085135, 2170270, 2821351, 5642702, 14106755, 28213510]

約数ペア:

[(1, 28213510), (2, 14106755), (5, 5642702), (10, 2821351), (13, 2170270), (26, 1085135), (65, 434054), (130, 217027)]