217930674

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 481719168

約数和(自身を除く): 263788494

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 163, 183, 281, 326, 366, 489, 562, 793, 843, 978, 1586, 1686, 2119, 2379, 3653, 4238, 4758, 6357, 7306, 9943, 10959, 12714, 17141, 19886, 21918, 29829, 34282, 45803, 51423, 59658, 91606, 102846, 129259, 137409, 222833, 258518, 274818, 387777, 445666, 595439, 668499, 775554, 1190878, 1336998, 1786317, 2793983, 3572634, 5587966, 8381949, 16763898, 36321779, 72643558, 108965337, 217930674]

約数ペア:

[(1, 217930674), (2, 108965337), (3, 72643558), (6, 36321779), (13, 16763898), (26, 8381949), (39, 5587966), (61, 3572634), (78, 2793983), (122, 1786317), (163, 1336998), (183, 1190878), (281, 775554), (326, 668499), (366, 595439), (489, 445666), (562, 387777), (793, 274818), (843, 258518), (978, 222833), (1586, 137409), (1686, 129259), (2119, 102846), (2379, 91606), (3653, 59658), (4238, 51423), (4758, 45803), (6357, 34282), (7306, 29829), (9943, 21918), (10959, 19886), (12714, 17141)]