851227741

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 1065512448

約数和(自身を除く): 214284707

約数列:

[1, 7, 13, 91, 103, 197, 461, 721, 1339, 1379, 2561, 3227, 5993, 9373, 17927, 20291, 41951, 47483, 90817, 142037, 263783, 332381, 617279, 635719, 1180621, 1846481, 4320953, 8264347, 9354151, 65479057, 121603963, 851227741]

約数ペア:

[(1, 851227741), (7, 121603963), (13, 65479057), (91, 9354151), (103, 8264347), (197, 4320953), (461, 1846481), (721, 1180621), (1339, 635719), (1379, 617279), (2561, 332381), (3227, 263783), (5993, 142037), (9373, 90817), (17927, 47483), (20291, 41951)]