15902965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2749}}^1$

素因数の和:2856

約数の個数: 16

約数和(自身を含む): 20790000

約数和(自身を除く): 4887035

約数列:

[1, 5, 13, 65, 89, 445, 1157, 2749, 5785, 13745, 35737, 178685, 244661, 1223305, 3180593, 15902965]

約数ペア:

[(1, 15902965), (5, 3180593), (13, 1223305), (65, 244661), (89, 178685), (445, 35737), (1157, 13745), (2749, 5785)]