77727176

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 159364800

約数和(自身を除く): 81637624

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 83, 101, 122, 152, 166, 202, 244, 332, 404, 488, 664, 808, 1159, 1577, 1919, 2318, 3154, 3838, 4636, 5063, 6161, 6308, 7676, 8383, 9272, 10126, 12322, 12616, 15352, 16766, 20252, 24644, 33532, 40504, 49288, 67064, 96197, 117059, 159277, 192394, 234118, 318554, 384788, 468236, 511363, 637108, 769576, 936472, 1022726, 1274216, 2045452, 4090904, 9715897, 19431794, 38863588, 77727176]

約数ペア:

[(1, 77727176), (2, 38863588), (4, 19431794), (8, 9715897), (19, 4090904), (38, 2045452), (61, 1274216), (76, 1022726), (83, 936472), (101, 769576), (122, 637108), (152, 511363), (166, 468236), (202, 384788), (244, 318554), (332, 234118), (404, 192394), (488, 159277), (664, 117059), (808, 96197), (1159, 67064), (1577, 49288), (1919, 40504), (2318, 33532), (3154, 24644), (3838, 20252), (4636, 16766), (5063, 15352), (6161, 12616), (6308, 12322), (7676, 10126), (8383, 9272)]