31415958

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 84049920

約数和(自身を除く): 52633962

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 49, 54, 62, 63, 93, 98, 126, 147, 186, 189, 217, 279, 294, 378, 383, 434, 441, 558, 651, 766, 837, 882, 1149, 1302, 1323, 1519, 1674, 1953, 2298, 2646, 2681, 3038, 3447, 3906, 4557, 5362, 5859, 6894, 8043, 9114, 10341, 11718, 11873, 13671, 16086, 18767, 20682, 23746, 24129, 27342, 35619, 37534, 41013, 48258, 56301, 71238, 72387, 82026, 83111, 106857, 112602, 144774, 166222, 168903, 213714, 249333, 320571, 337806, 498666, 506709, 581777, 641142, 747999, 1013418, 1163554, 1495998, 1745331, 2243997, 3490662, 4487994, 5235993, 10471986, 15707979, 31415958]

約数ペア:

[(1, 31415958), (2, 15707979), (3, 10471986), (6, 5235993), (7, 4487994), (9, 3490662), (14, 2243997), (18, 1745331), (21, 1495998), (27, 1163554), (31, 1013418), (42, 747999), (49, 641142), (54, 581777), (62, 506709), (63, 498666), (93, 337806), (98, 320571), (126, 249333), (147, 213714), (186, 168903), (189, 166222), (217, 144774), (279, 112602), (294, 106857), (378, 83111), (383, 82026), (434, 72387), (441, 71238), (558, 56301), (651, 48258), (766, 41013), (837, 37534), (882, 35619), (1149, 27342), (1302, 24129), (1323, 23746), (1519, 20682), (1674, 18767), (1953, 16086), (2298, 13671), (2646, 11873), (2681, 11718), (3038, 10341), (3447, 9114), (3906, 8043), (4557, 6894), (5362, 5859)]