28305368

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{659}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 38222632

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 59, 91, 104, 118, 182, 236, 364, 413, 472, 659, 728, 767, 826, 1318, 1534, 1652, 2636, 3068, 3304, 4613, 5272, 5369, 6136, 8567, 9226, 10738, 17134, 18452, 21476, 34268, 36904, 38881, 42952, 59969, 68536, 77762, 119938, 155524, 239876, 272167, 311048, 479752, 505453, 544334, 1010906, 1088668, 2021812, 2177336, 3538171, 4043624, 7076342, 14152684, 28305368]

約数ペア:

[(1, 28305368), (2, 14152684), (4, 7076342), (7, 4043624), (8, 3538171), (13, 2177336), (14, 2021812), (26, 1088668), (28, 1010906), (52, 544334), (56, 505453), (59, 479752), (91, 311048), (104, 272167), (118, 239876), (182, 155524), (236, 119938), (364, 77762), (413, 68536), (472, 59969), (659, 42952), (728, 38881), (767, 36904), (826, 34268), (1318, 21476), (1534, 18452), (1652, 17134), (2636, 10738), (3068, 9226), (3304, 8567), (4613, 6136), (5272, 5369)]