90870008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{13903}}^1$

素因数の和:13971

約数の個数: 32

約数和(自身を含む): 183532800

約数和(自身を除く): 92662792

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3268, 6536, 13903, 27806, 55612, 111224, 264157, 528314, 597829, 1056628, 1195658, 2113256, 2391316, 4782632, 11358751, 22717502, 45435004, 90870008]

約数ペア:

[(1, 90870008), (2, 45435004), (4, 22717502), (8, 11358751), (19, 4782632), (38, 2391316), (43, 2113256), (76, 1195658), (86, 1056628), (152, 597829), (172, 528314), (344, 264157), (817, 111224), (1634, 55612), (3268, 27806), (6536, 13903)]