128577392

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{472711}}^1$

素因数の和:472736

約数の個数: 20

約数和(自身を含む): 263773296

約数和(自身を除く): 135195904

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 472711, 945422, 1890844, 3781688, 7563376, 8036087, 16072174, 32144348, 64288696, 128577392]

約数ペア:

[(1, 128577392), (2, 64288696), (4, 32144348), (8, 16072174), (16, 8036087), (17, 7563376), (34, 3781688), (68, 1890844), (136, 945422), (272, 472711)]