81368556

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2221}}^1$

素因数の和:2342

約数の個数: 48

約数和(自身を含む): 197100288

約数和(自身を除く): 115731732

約数列:

[1, 2, 3, 4, 6, 12, 43, 71, 86, 129, 142, 172, 213, 258, 284, 426, 516, 852, 2221, 3053, 4442, 6106, 6663, 8884, 9159, 12212, 13326, 18318, 26652, 36636, 95503, 157691, 191006, 286509, 315382, 382012, 473073, 573018, 630764, 946146, 1146036, 1892292, 6780713, 13561426, 20342139, 27122852, 40684278, 81368556]

約数ペア:

[(1, 81368556), (2, 40684278), (3, 27122852), (4, 20342139), (6, 13561426), (12, 6780713), (43, 1892292), (71, 1146036), (86, 946146), (129, 630764), (142, 573018), (172, 473073), (213, 382012), (258, 315382), (284, 286509), (426, 191006), (516, 157691), (852, 95503), (2221, 36636), (3053, 26652), (4442, 18318), (6106, 13326), (6663, 12212), (8884, 9159)]