12515995

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{643}}^1$

素因数の和:894

約数の個数: 16

約数和(自身を含む): 15996960

約数和(自身を除く): 3480965

約数列:

[1, 5, 17, 85, 229, 643, 1145, 3215, 3893, 10931, 19465, 54655, 147247, 736235, 2503199, 12515995]

約数ペア:

[(1, 12515995), (5, 2503199), (17, 736235), (85, 147247), (229, 54655), (643, 19465), (1145, 10931), (3215, 3893)]