81279138

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{2377}}^1$

素因数の和:2562

約数の個数: 32

約数和(自身を含む): 167791680

約数和(自身を除く): 86512542

約数列:

[1, 2, 3, 6, 41, 82, 123, 139, 246, 278, 417, 834, 2377, 4754, 5699, 7131, 11398, 14262, 17097, 34194, 97457, 194914, 292371, 330403, 584742, 660806, 991209, 1982418, 13546523, 27093046, 40639569, 81279138]

約数ペア:

[(1, 81279138), (2, 40639569), (3, 27093046), (6, 13546523), (41, 1982418), (82, 991209), (123, 660806), (139, 584742), (246, 330403), (278, 292371), (417, 194914), (834, 97457), (2377, 34194), (4754, 17097), (5699, 14262), (7131, 11398)]