1987053896

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{66359}}^1$

素因数の和:66581

約数の個数: 32

約数和(自身を含む): 3941784000

約数和(自身を除く): 1954730104

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 197, 394, 788, 1576, 3743, 7486, 14972, 29944, 66359, 132718, 265436, 530872, 1260821, 2521642, 5043284, 10086568, 13072723, 26145446, 52290892, 104581784, 248381737, 496763474, 993526948, 1987053896]

約数ペア:

[(1, 1987053896), (2, 993526948), (4, 496763474), (8, 248381737), (19, 104581784), (38, 52290892), (76, 26145446), (152, 13072723), (197, 10086568), (394, 5043284), (788, 2521642), (1576, 1260821), (3743, 530872), (7486, 265436), (14972, 132718), (29944, 66359)]