990318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:121

約数の個数: 64

約数和(自身を含む): 2557440

約数和(自身を除く): 1567122

約数列:

[1, 2, 3, 6, 7, 14, 17, 19, 21, 34, 38, 42, 51, 57, 73, 102, 114, 119, 133, 146, 219, 238, 266, 323, 357, 399, 438, 511, 646, 714, 798, 969, 1022, 1241, 1387, 1533, 1938, 2261, 2482, 2774, 3066, 3723, 4161, 4522, 6783, 7446, 8322, 8687, 9709, 13566, 17374, 19418, 23579, 26061, 29127, 47158, 52122, 58254, 70737, 141474, 165053, 330106, 495159, 990318]

約数ペア:

[(1, 990318), (2, 495159), (3, 330106), (6, 165053), (7, 141474), (14, 70737), (17, 58254), (19, 52122), (21, 47158), (34, 29127), (38, 26061), (42, 23579), (51, 19418), (57, 17374), (73, 13566), (102, 9709), (114, 8687), (119, 8322), (133, 7446), (146, 6783), (219, 4522), (238, 4161), (266, 3723), (323, 3066), (357, 2774), (399, 2482), (438, 2261), (511, 1938), (646, 1533), (714, 1387), (798, 1241), (969, 1022)]