28385215

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:602

約数の個数: 16

約数和(自身を含む): 34719840

約数和(自身を除く): 6334625

約数列:

[1, 5, 89, 227, 281, 445, 1135, 1405, 20203, 25009, 63787, 101015, 125045, 318935, 5677043, 28385215]

約数ペア:

[(1, 28385215), (5, 5677043), (89, 318935), (227, 125045), (281, 101015), (445, 63787), (1135, 25009), (1405, 20203)]