256807984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{944147}}^1$

素因数の和:944172

約数の個数: 20

約数和(自身を含む): 526834584

約数和(自身を除く): 270026600

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 944147, 1888294, 3776588, 7553176, 15106352, 16050499, 32100998, 64201996, 128403992, 256807984]

約数ペア:

[(1, 256807984), (2, 128403992), (4, 64201996), (8, 32100998), (16, 16050499), (17, 15106352), (34, 7553176), (68, 3776588), (136, 1888294), (272, 944147)]