1971429120466

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1\times {\mathrm{1976699}}^1$

素因数の和:1977234

約数の個数: 32

約数和(自身を含む): 3227872032000

約数和(自身を除く): 1256442911534

約数列:

[1, 2, 13, 26, 89, 178, 431, 862, 1157, 2314, 5603, 11206, 38359, 76718, 498667, 997334, 1976699, 3953398, 25697087, 51394174, 175926211, 351852422, 851957269, 1703914538, 2287040743, 4574081486, 11075444497, 22150888994, 75824196941, 151648393882, 985714560233, 1971429120466]

約数ペア:

[(1, 1971429120466), (2, 985714560233), (13, 151648393882), (26, 75824196941), (89, 22150888994), (178, 11075444497), (431, 4574081486), (862, 2287040743), (1157, 1703914538), (2314, 851957269), (5603, 351852422), (11206, 175926211), (38359, 51394174), (76718, 25697087), (498667, 3953398), (997334, 1976699)]