209211758

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 395642880

約数和(自身を除く): 186431122

約数列:

[1, 2, 7, 14, 17, 34, 47, 59, 94, 118, 119, 238, 317, 329, 413, 634, 658, 799, 826, 1003, 1598, 2006, 2219, 2773, 4438, 5389, 5546, 5593, 7021, 10778, 11186, 14042, 14899, 18703, 19411, 29798, 37406, 37723, 38822, 47141, 75446, 94282, 104293, 130921, 208586, 253283, 261842, 317951, 329987, 506566, 635902, 659974, 879041, 1758082, 1772981, 2225657, 3545962, 4451314, 6153287, 12306574, 14943697, 29887394, 104605879, 209211758]

約数ペア:

[(1, 209211758), (2, 104605879), (7, 29887394), (14, 14943697), (17, 12306574), (34, 6153287), (47, 4451314), (59, 3545962), (94, 2225657), (118, 1772981), (119, 1758082), (238, 879041), (317, 659974), (329, 635902), (413, 506566), (634, 329987), (658, 317951), (799, 261842), (826, 253283), (1003, 208586), (1598, 130921), (2006, 104293), (2219, 94282), (2773, 75446), (4438, 47141), (5389, 38822), (5546, 37723), (5593, 37406), (7021, 29798), (10778, 19411), (11186, 18703), (14042, 14899)]