31618216

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 71124480

約数和(自身を除く): 39506264

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 47, 56, 82, 94, 164, 188, 287, 293, 328, 329, 376, 574, 586, 658, 1148, 1172, 1316, 1927, 2051, 2296, 2344, 2632, 3854, 4102, 7708, 8204, 12013, 13489, 13771, 15416, 16408, 24026, 26978, 27542, 48052, 53956, 55084, 84091, 96104, 96397, 107912, 110168, 168182, 192794, 336364, 385588, 564611, 672728, 771176, 1129222, 2258444, 3952277, 4516888, 7904554, 15809108, 31618216]

約数ペア:

[(1, 31618216), (2, 15809108), (4, 7904554), (7, 4516888), (8, 3952277), (14, 2258444), (28, 1129222), (41, 771176), (47, 672728), (56, 564611), (82, 385588), (94, 336364), (164, 192794), (188, 168182), (287, 110168), (293, 107912), (328, 96397), (329, 96104), (376, 84091), (574, 55084), (586, 53956), (658, 48052), (1148, 27542), (1172, 26978), (1316, 24026), (1927, 16408), (2051, 15416), (2296, 13771), (2344, 13489), (2632, 12013), (3854, 8204), (4102, 7708)]