71642488

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{16993}}^1$

素因数の和:17047

約数の個数: 32

約数和(自身を含む): 146828160

約数和(自身を除く): 75185672

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 16993, 33986, 67972, 135944, 288881, 526783, 577762, 1053566, 1155524, 2107132, 2311048, 4214264, 8955311, 17910622, 35821244, 71642488]

約数ペア:

[(1, 71642488), (2, 35821244), (4, 17910622), (8, 8955311), (17, 4214264), (31, 2311048), (34, 2107132), (62, 1155524), (68, 1053566), (124, 577762), (136, 526783), (248, 288881), (527, 135944), (1054, 67972), (2108, 33986), (4216, 16993)]