77897995

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 117456480

約数和(自身を除く): 39558485

約数列:

[1, 5, 7, 17, 35, 49, 59, 85, 119, 245, 295, 317, 413, 595, 833, 1003, 1585, 2065, 2219, 2891, 4165, 5015, 5389, 7021, 11095, 14455, 15533, 18703, 26945, 35105, 37723, 49147, 77665, 93515, 130921, 188615, 245735, 264061, 317951, 654605, 916447, 1320305, 1589755, 2225657, 4582235, 11128285, 15579599, 77897995]

約数ペア:

[(1, 77897995), (5, 15579599), (7, 11128285), (17, 4582235), (35, 2225657), (49, 1589755), (59, 1320305), (85, 916447), (119, 654605), (245, 317951), (295, 264061), (317, 245735), (413, 188615), (595, 130921), (833, 93515), (1003, 77665), (1585, 49147), (2065, 37723), (2219, 35105), (2891, 26945), (4165, 18703), (5015, 15533), (5389, 14455), (7021, 11095)]