31866078

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 70778880

約数和(自身を除く): 38912802

約数列:

[1, 2, 3, 6, 19, 31, 38, 57, 62, 71, 93, 114, 127, 142, 186, 213, 254, 381, 426, 589, 762, 1178, 1349, 1767, 2201, 2413, 2698, 3534, 3937, 4047, 4402, 4826, 6603, 7239, 7874, 8094, 9017, 11811, 13206, 14478, 18034, 23622, 27051, 41819, 54102, 74803, 83638, 125457, 149606, 171323, 224409, 250914, 279527, 342646, 448818, 513969, 559054, 838581, 1027938, 1677162, 5311013, 10622026, 15933039, 31866078]

約数ペア:

[(1, 31866078), (2, 15933039), (3, 10622026), (6, 5311013), (19, 1677162), (31, 1027938), (38, 838581), (57, 559054), (62, 513969), (71, 448818), (93, 342646), (114, 279527), (127, 250914), (142, 224409), (186, 171323), (213, 149606), (254, 125457), (381, 83638), (426, 74803), (589, 54102), (762, 41819), (1178, 27051), (1349, 23622), (1767, 18034), (2201, 14478), (2413, 13206), (2698, 11811), (3534, 9017), (3937, 8094), (4047, 7874), (4402, 7239), (4826, 6603)]