31580208

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19937}}^1$

素因数の和:19962

約数の個数: 60

約数和(自身を含む): 96420168

約数和(自身を除く): 64839960

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 19937, 39874, 59811, 79748, 119622, 159496, 179433, 219307, 239244, 318992, 358866, 438614, 478488, 657921, 717732, 877228, 956976, 1315842, 1435464, 1754456, 1973763, 2631684, 2870928, 3508912, 3947526, 5263368, 7895052, 10526736, 15790104, 31580208]

約数ペア:

[(1, 31580208), (2, 15790104), (3, 10526736), (4, 7895052), (6, 5263368), (8, 3947526), (9, 3508912), (11, 2870928), (12, 2631684), (16, 1973763), (18, 1754456), (22, 1435464), (24, 1315842), (33, 956976), (36, 877228), (44, 717732), (48, 657921), (66, 478488), (72, 438614), (88, 358866), (99, 318992), (132, 239244), (144, 219307), (176, 179433), (198, 159496), (264, 119622), (396, 79748), (528, 59811), (792, 39874), (1584, 19937)]