1220518

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:208

約数の個数: 24

約数和(自身を含む): 2081808

約数和(自身を除く): 861290

約数列:

[1, 2, 13, 23, 26, 46, 157, 169, 299, 314, 338, 598, 2041, 3611, 3887, 4082, 7222, 7774, 26533, 46943, 53066, 93886, 610259, 1220518]

約数ペア:

[(1, 1220518), (2, 610259), (13, 93886), (23, 53066), (26, 46943), (46, 26533), (157, 7774), (169, 7222), (299, 4082), (314, 3887), (338, 3611), (598, 2041)]