220131868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{161387}}^1$

素因数の和:161433

約数の個数: 24

約数和(自身を含む): 433810944

約数和(自身を除く): 213679076

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 161387, 322774, 645548, 1775257, 3550514, 5002997, 7101028, 10005994, 20011988, 55032967, 110065934, 220131868]

約数ペア:

[(1, 220131868), (2, 110065934), (4, 55032967), (11, 20011988), (22, 10005994), (31, 7101028), (44, 5002997), (62, 3550514), (124, 1775257), (341, 645548), (682, 322774), (1364, 161387)]