674744986

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{243239}}^1$

素因数の和:243333

約数の個数: 16

約数和(自身を含む): 1079985600

約数和(自身を除く): 405240614

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 243239, 486478, 4621541, 9243082, 17756447, 35512894, 337372493, 674744986]

約数ペア:

[(1, 674744986), (2, 337372493), (19, 35512894), (38, 17756447), (73, 9243082), (146, 4621541), (1387, 486478), (2774, 243239)]