664734

素因数分解:

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

素因数の和:62

約数の個数: 64

約数和(自身を含む): 1728000

約数和(自身を除く): 1063266

約数列:

[1, 2, 3, 6, 7, 14, 17, 19, 21, 34, 38, 42, 49, 51, 57, 98, 102, 114, 119, 133, 147, 238, 266, 294, 323, 343, 357, 399, 646, 686, 714, 798, 833, 931, 969, 1029, 1666, 1862, 1938, 2058, 2261, 2499, 2793, 4522, 4998, 5586, 5831, 6517, 6783, 11662, 13034, 13566, 15827, 17493, 19551, 31654, 34986, 39102, 47481, 94962, 110789, 221578, 332367, 664734]

約数ペア:

[(1, 664734), (2, 332367), (3, 221578), (6, 110789), (7, 94962), (14, 47481), (17, 39102), (19, 34986), (21, 31654), (34, 19551), (38, 17493), (42, 15827), (49, 13566), (51, 13034), (57, 11662), (98, 6783), (102, 6517), (114, 5831), (119, 5586), (133, 4998), (147, 4522), (238, 2793), (266, 2499), (294, 2261), (323, 2058), (343, 1938), (357, 1862), (399, 1666), (646, 1029), (686, 969), (714, 931), (798, 833)]