1228315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{971}}^1$

素因数の和:1010

約数の個数: 16

約数和(自身を含む): 1679616

約数和(自身を除く): 451301

約数列:

[1, 5, 11, 23, 55, 115, 253, 971, 1265, 4855, 10681, 22333, 53405, 111665, 245663, 1228315]

約数ペア:

[(1, 1228315), (5, 245663), (11, 111665), (23, 53405), (55, 22333), (115, 10681), (253, 4855), (971, 1265)]