69943376

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{106621}}^1$

素因数の和:106670

約数の個数: 20

約数和(自身を含む): 138821844

約数和(自身を除く): 68878468

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 106621, 213242, 426484, 852968, 1705936, 4371461, 8742922, 17485844, 34971688, 69943376]

約数ペア:

[(1, 69943376), (2, 34971688), (4, 17485844), (8, 8742922), (16, 4371461), (41, 1705936), (82, 852968), (164, 426484), (328, 213242), (656, 106621)]