671625664

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{19913}}^1$

素因数の和:19973

約数の個数: 56

約数和(自身を含む): 1456748928

約数和(自身を除く): 785123264

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 136, 248, 272, 496, 527, 544, 992, 1054, 1088, 1984, 2108, 4216, 8432, 16864, 19913, 33728, 39826, 79652, 159304, 318608, 338521, 617303, 637216, 677042, 1234606, 1274432, 1354084, 2469212, 2708168, 4938424, 5416336, 9876848, 10494151, 10832672, 19753696, 20988302, 21665344, 39507392, 41976604, 83953208, 167906416, 335812832, 671625664]

約数ペア:

[(1, 671625664), (2, 335812832), (4, 167906416), (8, 83953208), (16, 41976604), (17, 39507392), (31, 21665344), (32, 20988302), (34, 19753696), (62, 10832672), (64, 10494151), (68, 9876848), (124, 5416336), (136, 4938424), (248, 2708168), (272, 2469212), (496, 1354084), (527, 1274432), (544, 1234606), (992, 677042), (1054, 637216), (1088, 617303), (1984, 338521), (2108, 318608), (4216, 159304), (8432, 79652), (16864, 39826), (19913, 33728)]