81396968

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{3617}}^1$

素因数の和:3749

約数の個数: 32

約数和(自身を含む): 159553800

約数和(自身を除く): 78156832

約数列:

[1, 2, 4, 8, 29, 58, 97, 116, 194, 232, 388, 776, 2813, 3617, 5626, 7234, 11252, 14468, 22504, 28936, 104893, 209786, 350849, 419572, 701698, 839144, 1403396, 2806792, 10174621, 20349242, 40698484, 81396968]

約数ペア:

[(1, 81396968), (2, 40698484), (4, 20349242), (8, 10174621), (29, 2806792), (58, 1403396), (97, 839144), (116, 701698), (194, 419572), (232, 350849), (388, 209786), (776, 104893), (2813, 28936), (3617, 22504), (5626, 14468), (7234, 11252)]