81744568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{929}}^1$

素因数の和:1599

約数の個数: 32

約数和(自身を含む): 162712800

約数和(自身を除く): 80968232

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 647, 929, 1294, 1858, 2588, 3716, 5176, 7432, 10999, 15793, 21998, 31586, 43996, 63172, 87992, 126344, 601063, 1202126, 2404252, 4808504, 10218071, 20436142, 40872284, 81744568]

約数ペア:

[(1, 81744568), (2, 40872284), (4, 20436142), (8, 10218071), (17, 4808504), (34, 2404252), (68, 1202126), (136, 601063), (647, 126344), (929, 87992), (1294, 63172), (1858, 43996), (2588, 31586), (3716, 21998), (5176, 15793), (7432, 10999)]