664753705

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1831}}^1$

素因数の和:1918

約数の個数: 64

約数和(自身を含む): 1063673856

約数和(自身を除く): 398920151

約数列:

[1, 5, 7, 11, 23, 35, 41, 55, 77, 115, 161, 205, 253, 287, 385, 451, 805, 943, 1265, 1435, 1771, 1831, 2255, 3157, 4715, 6601, 8855, 9155, 10373, 12817, 15785, 20141, 33005, 42113, 51865, 64085, 72611, 75071, 100705, 140987, 210565, 294791, 363055, 375355, 463243, 525497, 704935, 825781, 1473955, 1726633, 2316215, 2627485, 3242701, 4128905, 5780467, 8633165, 12086431, 16213505, 18992963, 28902335, 60432155, 94964815, 132950741, 664753705]

約数ペア:

[(1, 664753705), (5, 132950741), (7, 94964815), (11, 60432155), (23, 28902335), (35, 18992963), (41, 16213505), (55, 12086431), (77, 8633165), (115, 5780467), (161, 4128905), (205, 3242701), (253, 2627485), (287, 2316215), (385, 1726633), (451, 1473955), (805, 825781), (943, 704935), (1265, 525497), (1435, 463243), (1771, 375355), (1831, 363055), (2255, 294791), (3157, 210565), (4715, 140987), (6601, 100705), (8855, 75071), (9155, 72611), (10373, 64085), (12817, 51865), (15785, 42113), (20141, 33005)]