68428005

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 116681472

約数和(自身を除く): 48253467

約数列:

[1, 3, 5, 15, 31, 47, 93, 101, 141, 155, 235, 303, 465, 505, 705, 961, 1457, 1515, 2883, 3131, 4371, 4747, 4805, 7285, 9393, 14241, 14415, 15655, 21855, 23735, 45167, 46965, 71205, 97061, 135501, 147157, 225835, 291183, 441471, 485305, 677505, 735785, 1455915, 2207355, 4561867, 13685601, 22809335, 68428005]

約数ペア:

[(1, 68428005), (3, 22809335), (5, 13685601), (15, 4561867), (31, 2207355), (47, 1455915), (93, 735785), (101, 677505), (141, 485305), (155, 441471), (235, 291183), (303, 225835), (465, 147157), (505, 135501), (705, 97061), (961, 71205), (1457, 46965), (1515, 45167), (2883, 23735), (3131, 21855), (4371, 15655), (4747, 14415), (4805, 14241), (7285, 9393)]