218104985

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{3779}}^1$

素因数の和:3905

約数の個数: 32

約数和(自身を含む): 320060160

約数和(自身を除く): 101955175

約数列:

[1, 5, 7, 17, 35, 85, 97, 119, 485, 595, 679, 1649, 3395, 3779, 8245, 11543, 18895, 26453, 57715, 64243, 132265, 321215, 366563, 449701, 1832815, 2248505, 2565941, 6231571, 12829705, 31157855, 43620997, 218104985]

約数ペア:

[(1, 218104985), (5, 43620997), (7, 31157855), (17, 12829705), (35, 6231571), (85, 2565941), (97, 2248505), (119, 1832815), (485, 449701), (595, 366563), (679, 321215), (1649, 132265), (3395, 64243), (3779, 57715), (8245, 26453), (11543, 18895)]