637899483

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 1035417600

約数和(自身を除く): 397518117

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 79, 221, 237, 247, 323, 641, 663, 741, 969, 1027, 1343, 1501, 1923, 3081, 4029, 4199, 4503, 8333, 10897, 12179, 12597, 17459, 19513, 24999, 25517, 32691, 36537, 50639, 52377, 58539, 76551, 141661, 151917, 158327, 207043, 331721, 424983, 474981, 621129, 658307, 860863, 962141, 995163, 1974921, 2582589, 2691559, 2886423, 8074677, 11191219, 12507833, 16356397, 33573657, 37523499, 49069191, 212633161, 637899483]

約数ペア:

[(1, 637899483), (3, 212633161), (13, 49069191), (17, 37523499), (19, 33573657), (39, 16356397), (51, 12507833), (57, 11191219), (79, 8074677), (221, 2886423), (237, 2691559), (247, 2582589), (323, 1974921), (641, 995163), (663, 962141), (741, 860863), (969, 658307), (1027, 621129), (1343, 474981), (1501, 424983), (1923, 331721), (3081, 207043), (4029, 158327), (4199, 151917), (4503, 141661), (8333, 76551), (10897, 58539), (12179, 52377), (12597, 50639), (17459, 36537), (19513, 32691), (24999, 25517)]