219981311

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{2393}}^1$

素因数の和:2602

約数の個数: 16

約数和(自身を含む): 245796768

約数和(自身を除く): 25815457

約数列:

[1, 11, 61, 137, 671, 1507, 2393, 8357, 26323, 91927, 145973, 327841, 1605703, 3606251, 19998301, 219981311]

約数ペア:

[(1, 219981311), (11, 19998301), (61, 3606251), (137, 1605703), (671, 327841), (1507, 145973), (2393, 91927), (8357, 26323)]