31071905

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{509}}^1$

素因数の和:964

約数の個数: 16

約数和(自身を含む): 38739600

約数和(自身を除く): 7667695

約数列:

[1, 5, 29, 145, 421, 509, 2105, 2545, 12209, 14761, 61045, 73805, 214289, 1071445, 6214381, 31071905]

約数ペア:

[(1, 31071905), (5, 6214381), (29, 1071445), (145, 214289), (421, 73805), (509, 61045), (2105, 14761), (2545, 12209)]