1318258895

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1\times {\mathrm{4099}}^1$

素因数の和:4726

約数の個数: 16

約数和(自身を含む): 1597622400

約数和(自身を除く): 279363505

約数列:

[1, 5, 131, 491, 655, 2455, 4099, 20495, 64321, 321605, 536969, 2012609, 2684845, 10063045, 263651779, 1318258895]

約数ペア:

[(1, 1318258895), (5, 263651779), (131, 10063045), (491, 2684845), (655, 2012609), (2455, 536969), (4099, 321605), (20495, 64321)]