209218984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{37957}}^1$

素因数の和:38029

約数の個数: 32

約数和(自身を含む): 430443720

約数和(自身を除く): 221224736

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 37957, 75914, 151828, 303656, 493441, 986882, 1973764, 2011721, 3947528, 4023442, 8046884, 16093768, 26152373, 52304746, 104609492, 209218984]

約数ペア:

[(1, 209218984), (2, 104609492), (4, 52304746), (8, 26152373), (13, 16093768), (26, 8046884), (52, 4023442), (53, 3947528), (104, 2011721), (106, 1973764), (212, 986882), (424, 493441), (689, 303656), (1378, 151828), (2756, 75914), (5512, 37957)]