393642718

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 733985280

約数和(自身を除く): 340342562

約数列:

[1, 2, 7, 14, 17, 34, 73, 119, 139, 146, 163, 238, 278, 326, 511, 973, 1022, 1141, 1241, 1946, 2282, 2363, 2482, 2771, 4726, 5542, 8687, 10147, 11899, 16541, 17374, 19397, 20294, 22657, 23798, 33082, 38794, 45314, 71029, 83293, 142058, 158599, 166586, 172499, 202283, 317198, 344998, 385169, 404566, 770338, 1207493, 1415981, 1653961, 2414986, 2696183, 2831962, 3307922, 5392366, 11577727, 23155454, 28117337, 56234674, 196821359, 393642718]

約数ペア:

[(1, 393642718), (2, 196821359), (7, 56234674), (14, 28117337), (17, 23155454), (34, 11577727), (73, 5392366), (119, 3307922), (139, 2831962), (146, 2696183), (163, 2414986), (238, 1653961), (278, 1415981), (326, 1207493), (511, 770338), (973, 404566), (1022, 385169), (1141, 344998), (1241, 317198), (1946, 202283), (2282, 172499), (2363, 166586), (2482, 158599), (2771, 142058), (4726, 83293), (5542, 71029), (8687, 45314), (10147, 38794), (11899, 33082), (16541, 23798), (17374, 22657), (19397, 20294)]