81789584

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{773}}^1$

素因数の和:1187

約数の個数: 40

約数和(自身を含む): 168437880

約数和(自身を除く): 86648296

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 389, 773, 778, 1546, 1556, 3092, 3112, 6184, 6224, 6613, 12368, 13141, 13226, 26282, 26452, 52564, 52904, 105128, 105808, 210256, 300697, 601394, 1202788, 2405576, 4811152, 5111849, 10223698, 20447396, 40894792, 81789584]

約数ペア:

[(1, 81789584), (2, 40894792), (4, 20447396), (8, 10223698), (16, 5111849), (17, 4811152), (34, 2405576), (68, 1202788), (136, 601394), (272, 300697), (389, 210256), (773, 105808), (778, 105128), (1546, 52904), (1556, 52564), (3092, 26452), (3112, 26282), (6184, 13226), (6224, 13141), (6613, 12368)]