153978488

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{3217}}^1$

素因数の和:3447

約数の個数: 32

約数和(自身を含む): 299660160

約数和(自身を除く): 145681672

約数列:

[1, 2, 4, 8, 31, 62, 124, 193, 248, 386, 772, 1544, 3217, 5983, 6434, 11966, 12868, 23932, 25736, 47864, 99727, 199454, 398908, 620881, 797816, 1241762, 2483524, 4967048, 19247311, 38494622, 76989244, 153978488]

約数ペア:

[(1, 153978488), (2, 76989244), (4, 38494622), (8, 19247311), (31, 4967048), (62, 2483524), (124, 1241762), (193, 797816), (248, 620881), (386, 398908), (772, 199454), (1544, 99727), (3217, 47864), (5983, 25736), (6434, 23932), (11966, 12868)]