208158718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1009}}^1$

素因数の和:1180

約数の個数: 32

約数和(自身を含む): 338148000

約数和(自身を除く): 129989282

約数列:

[1, 2, 19, 38, 61, 89, 122, 178, 1009, 1159, 1691, 2018, 2318, 3382, 5429, 10858, 19171, 38342, 61549, 89801, 103151, 123098, 179602, 206302, 1169431, 1706219, 2338862, 3412438, 5477861, 10955722, 104079359, 208158718]

約数ペア:

[(1, 208158718), (2, 104079359), (19, 10955722), (38, 5477861), (61, 3412438), (89, 2338862), (122, 1706219), (178, 1169431), (1009, 206302), (1159, 179602), (1691, 123098), (2018, 103151), (2318, 89801), (3382, 61549), (5429, 38342), (10858, 19171)]