31999792

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1609}}^1$

素因数の和:1741

約数の個数: 40

約数和(自身を含む): 68276880

約数和(自身を除く): 36277088

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 113, 176, 226, 452, 904, 1243, 1609, 1808, 2486, 3218, 4972, 6436, 9944, 12872, 17699, 19888, 25744, 35398, 70796, 141592, 181817, 283184, 363634, 727268, 1454536, 1999987, 2909072, 3999974, 7999948, 15999896, 31999792]

約数ペア:

[(1, 31999792), (2, 15999896), (4, 7999948), (8, 3999974), (11, 2909072), (16, 1999987), (22, 1454536), (44, 727268), (88, 363634), (113, 283184), (176, 181817), (226, 141592), (452, 70796), (904, 35398), (1243, 25744), (1609, 19888), (1808, 17699), (2486, 12872), (3218, 9944), (4972, 6436)]