519857569

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 740524032

約数和(自身を除く): 220666463

約数列:

[1, 7, 11, 17, 23, 31, 77, 119, 161, 187, 217, 253, 341, 391, 527, 557, 713, 1309, 1771, 2387, 2737, 3689, 3899, 4301, 4991, 5797, 6127, 7843, 9469, 12121, 12811, 17267, 30107, 40579, 42889, 54901, 66283, 84847, 89677, 104159, 120869, 133331, 140921, 189937, 217787, 293539, 397141, 729113, 933317, 986447, 1329559, 1524509, 2054773, 2395657, 2779987, 3228929, 4368551, 6751397, 16769599, 22602503, 30579857, 47259779, 74265367, 519857569]

約数ペア:

[(1, 519857569), (7, 74265367), (11, 47259779), (17, 30579857), (23, 22602503), (31, 16769599), (77, 6751397), (119, 4368551), (161, 3228929), (187, 2779987), (217, 2395657), (253, 2054773), (341, 1524509), (391, 1329559), (527, 986447), (557, 933317), (713, 729113), (1309, 397141), (1771, 293539), (2387, 217787), (2737, 189937), (3689, 140921), (3899, 133331), (4301, 120869), (4991, 104159), (5797, 89677), (6127, 84847), (7843, 66283), (9469, 54901), (12121, 42889), (12811, 40579), (17267, 30107)]