31154984

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 73872000

約数和(自身を除く): 42717016

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 47, 49, 56, 76, 89, 94, 98, 133, 152, 178, 188, 196, 266, 329, 356, 376, 392, 532, 623, 658, 712, 893, 931, 1064, 1246, 1316, 1691, 1786, 1862, 2303, 2492, 2632, 3382, 3572, 3724, 4183, 4361, 4606, 4984, 6251, 6764, 7144, 7448, 8366, 8722, 9212, 11837, 12502, 13528, 16732, 17444, 18424, 23674, 25004, 29281, 33464, 34888, 43757, 47348, 50008, 58562, 79477, 82859, 87514, 94696, 117124, 158954, 165718, 175028, 204967, 234248, 317908, 331436, 350056, 409934, 556339, 635816, 662872, 819868, 1112678, 1639736, 2225356, 3894373, 4450712, 7788746, 15577492, 31154984]

約数ペア:

[(1, 31154984), (2, 15577492), (4, 7788746), (7, 4450712), (8, 3894373), (14, 2225356), (19, 1639736), (28, 1112678), (38, 819868), (47, 662872), (49, 635816), (56, 556339), (76, 409934), (89, 350056), (94, 331436), (98, 317908), (133, 234248), (152, 204967), (178, 175028), (188, 165718), (196, 158954), (266, 117124), (329, 94696), (356, 87514), (376, 82859), (392, 79477), (532, 58562), (623, 50008), (658, 47348), (712, 43757), (893, 34888), (931, 33464), (1064, 29281), (1246, 25004), (1316, 23674), (1691, 18424), (1786, 17444), (1862, 16732), (2303, 13528), (2492, 12502), (2632, 11837), (3382, 9212), (3572, 8722), (3724, 8366), (4183, 7448), (4361, 7144), (4606, 6764), (4984, 6251)]