389968174

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 622080000

約数和(自身を除く): 232111826

約数列:

[1, 2, 23, 46, 79, 158, 239, 449, 478, 898, 1817, 3634, 5497, 10327, 10994, 18881, 20654, 35471, 37762, 70942, 107311, 214622, 434263, 815833, 868526, 1631666, 2468153, 4936306, 8477569, 16955138, 194984087, 389968174]

約数ペア:

[(1, 389968174), (2, 194984087), (23, 16955138), (46, 8477569), (79, 4936306), (158, 2468153), (239, 1631666), (449, 868526), (478, 815833), (898, 434263), (1817, 214622), (3634, 107311), (5497, 70942), (10327, 37762), (10994, 35471), (18881, 20654)]