12221465

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1249}}^1$

素因数の和:1376

約数の個数: 16

約数和(自身を含む): 15600000

約数和(自身を除く): 3378535

約数列:

[1, 5, 19, 95, 103, 515, 1249, 1957, 6245, 9785, 23731, 118655, 128647, 643235, 2444293, 12221465]

約数ペア:

[(1, 12221465), (5, 2444293), (19, 643235), (95, 128647), (103, 118655), (515, 23731), (1249, 9785), (1957, 6245)]