81291632

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{881}}^1$

素因数の和:1041

約数の個数: 40

約数和(自身を含む): 161864640

約数和(自身を除く): 80573008

約数列:

[1, 2, 4, 8, 16, 73, 79, 146, 158, 292, 316, 584, 632, 881, 1168, 1264, 1762, 3524, 5767, 7048, 11534, 14096, 23068, 46136, 64313, 69599, 92272, 128626, 139198, 257252, 278396, 514504, 556792, 1029008, 1113584, 5080727, 10161454, 20322908, 40645816, 81291632]

約数ペア:

[(1, 81291632), (2, 40645816), (4, 20322908), (8, 10161454), (16, 5080727), (73, 1113584), (79, 1029008), (146, 556792), (158, 514504), (292, 278396), (316, 257252), (584, 139198), (632, 128626), (881, 92272), (1168, 69599), (1264, 64313), (1762, 46136), (3524, 23068), (5767, 14096), (7048, 11534)]