1661396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 3228960

約数和(自身を除く): 1567564

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 619, 671, 1238, 1342, 2476, 2684, 6809, 13618, 27236, 37759, 75518, 151036, 415349, 830698, 1661396]

約数ペア:

[(1, 1661396), (2, 830698), (4, 415349), (11, 151036), (22, 75518), (44, 37759), (61, 27236), (122, 13618), (244, 6809), (619, 2684), (671, 2476), (1238, 1342)]