215164474

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 403603200

約数和(自身を除く): 188438726

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 109, 133, 181, 218, 266, 287, 362, 574, 763, 779, 1267, 1526, 1558, 2071, 2534, 3439, 4142, 4469, 5453, 6878, 7421, 8938, 10906, 14497, 14842, 19729, 24073, 28994, 31283, 39458, 48146, 51947, 62566, 84911, 103894, 138103, 140999, 169822, 276206, 281998, 374851, 594377, 749702, 808889, 986993, 1188754, 1617778, 1973986, 2623957, 5247914, 5662223, 11324446, 15368891, 30737782, 107582237, 215164474]

約数ペア:

[(1, 215164474), (2, 107582237), (7, 30737782), (14, 15368891), (19, 11324446), (38, 5662223), (41, 5247914), (82, 2623957), (109, 1973986), (133, 1617778), (181, 1188754), (218, 986993), (266, 808889), (287, 749702), (362, 594377), (574, 374851), (763, 281998), (779, 276206), (1267, 169822), (1526, 140999), (1558, 138103), (2071, 103894), (2534, 84911), (3439, 62566), (4142, 51947), (4469, 48146), (5453, 39458), (6878, 31283), (7421, 28994), (8938, 24073), (10906, 19729), (14497, 14842)]