221716984

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{107839}}^1$

素因数の和:108102

約数の個数: 16

約数和(自身を含む): 417340800

約数和(自身を除く): 195623816

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 107839, 215678, 431356, 862712, 27714623, 55429246, 110858492, 221716984]

約数ペア:

[(1, 221716984), (2, 110858492), (4, 55429246), (8, 27714623), (257, 862712), (514, 431356), (1028, 215678), (2056, 107839)]