81232664

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{1307}}^1$

素因数の和:1787

約数の個数: 32

約数和(自身を含む): 161747280

約数和(自身を除く): 80514616

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 457, 914, 1307, 1828, 2614, 3656, 5228, 7769, 10456, 15538, 22219, 31076, 44438, 62152, 88876, 177752, 597299, 1194598, 2389196, 4778392, 10154083, 20308166, 40616332, 81232664]

約数ペア:

[(1, 81232664), (2, 40616332), (4, 20308166), (8, 10154083), (17, 4778392), (34, 2389196), (68, 1194598), (136, 597299), (457, 177752), (914, 88876), (1307, 62152), (1828, 44438), (2614, 31076), (3656, 22219), (5228, 15538), (7769, 10456)]