28329868

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 59270400

約数和(自身を除く): 30940532

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 139, 203, 251, 278, 406, 502, 556, 812, 973, 1004, 1757, 1946, 3514, 3892, 4031, 7028, 7279, 8062, 14558, 16124, 28217, 29116, 34889, 50953, 56434, 69778, 101906, 112868, 139556, 203812, 244223, 488446, 976892, 1011781, 2023562, 4047124, 7082467, 14164934, 28329868]

約数ペア:

[(1, 28329868), (2, 14164934), (4, 7082467), (7, 4047124), (14, 2023562), (28, 1011781), (29, 976892), (58, 488446), (116, 244223), (139, 203812), (203, 139556), (251, 112868), (278, 101906), (406, 69778), (502, 56434), (556, 50953), (812, 34889), (973, 29116), (1004, 28217), (1757, 16124), (1946, 14558), (3514, 8062), (3892, 7279), (4031, 7028)]