31027528

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 69995520

約数和(自身を除く): 38967992

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 61, 62, 122, 124, 217, 244, 248, 293, 427, 434, 488, 586, 854, 868, 1172, 1708, 1736, 1891, 2051, 2344, 3416, 3782, 4102, 7564, 8204, 9083, 13237, 15128, 16408, 17873, 18166, 26474, 35746, 36332, 52948, 63581, 71492, 72664, 105896, 125111, 127162, 142984, 250222, 254324, 500444, 508648, 554063, 1000888, 1108126, 2216252, 3878441, 4432504, 7756882, 15513764, 31027528]

約数ペア:

[(1, 31027528), (2, 15513764), (4, 7756882), (7, 4432504), (8, 3878441), (14, 2216252), (28, 1108126), (31, 1000888), (56, 554063), (61, 508648), (62, 500444), (122, 254324), (124, 250222), (217, 142984), (244, 127162), (248, 125111), (293, 105896), (427, 72664), (434, 71492), (488, 63581), (586, 52948), (854, 36332), (868, 35746), (1172, 26474), (1708, 18166), (1736, 17873), (1891, 16408), (2051, 15128), (2344, 13237), (3416, 9083), (3782, 8204), (4102, 7564)]