72947408

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{268189}}^1$

素因数の和:268214

約数の個数: 20

約数和(自身を含む): 149650020

約数和(自身を除く): 76702612

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 268189, 536378, 1072756, 2145512, 4291024, 4559213, 9118426, 18236852, 36473704, 72947408]

約数ペア:

[(1, 72947408), (2, 36473704), (4, 18236852), (8, 9118426), (16, 4559213), (17, 4291024), (34, 2145512), (68, 1072756), (136, 536378), (272, 268189)]