389925904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{4877}}^1$

素因数の和:5167

約数の個数: 40

約数和(自身を含む): 798431040

約数和(自身を除く): 408505136

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 263, 304, 526, 1052, 2104, 4208, 4877, 4997, 9754, 9994, 19508, 19988, 39016, 39976, 78032, 79952, 92663, 185326, 370652, 741304, 1282651, 1482608, 2565302, 5130604, 10261208, 20522416, 24370369, 48740738, 97481476, 194962952, 389925904]

約数ペア:

[(1, 389925904), (2, 194962952), (4, 97481476), (8, 48740738), (16, 24370369), (19, 20522416), (38, 10261208), (76, 5130604), (152, 2565302), (263, 1482608), (304, 1282651), (526, 741304), (1052, 370652), (2104, 185326), (4208, 92663), (4877, 79952), (4997, 78032), (9754, 39976), (9994, 39016), (19508, 19988)]