219065396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{81619}}^1$

素因数の和:81695

約数の個数: 24

約数和(自身を含む): 425076960

約数和(自身を除く): 206011564

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 81619, 163238, 326476, 897809, 1795618, 3591236, 4978759, 9957518, 19915036, 54766349, 109532698, 219065396]

約数ペア:

[(1, 219065396), (2, 109532698), (4, 54766349), (11, 19915036), (22, 9957518), (44, 4978759), (61, 3591236), (122, 1795618), (244, 897809), (671, 326476), (1342, 163238), (2684, 81619)]