217891062

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{1429}}^1$

素因数の和:1677

約数の個数: 48

約数和(自身を含む): 485868240

約数和(自身を除く): 267977178

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 197, 258, 387, 394, 591, 774, 1182, 1429, 1773, 2858, 3546, 4287, 8471, 8574, 12861, 16942, 25413, 25722, 50826, 61447, 76239, 122894, 152478, 184341, 281513, 368682, 553023, 563026, 844539, 1106046, 1689078, 2533617, 5067234, 12105059, 24210118, 36315177, 72630354, 108945531, 217891062]

約数ペア:

[(1, 217891062), (2, 108945531), (3, 72630354), (6, 36315177), (9, 24210118), (18, 12105059), (43, 5067234), (86, 2533617), (129, 1689078), (197, 1106046), (258, 844539), (387, 563026), (394, 553023), (591, 368682), (774, 281513), (1182, 184341), (1429, 152478), (1773, 122894), (2858, 76239), (3546, 61447), (4287, 50826), (8471, 25722), (8574, 25413), (12861, 16942)]