721000770032

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{2129}}^1\times {\mathrm{161573}}^1$

素因数の和:163841

約数の個数: 40

約数和(自身を含む): 1408272521040

約数和(自身を除く): 687271751008

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 2129, 4258, 8516, 17032, 34064, 161573, 278899, 323146, 557798, 646292, 1115596, 1292584, 2231192, 2585168, 4462384, 21166063, 42332126, 84664252, 169328504, 338657008, 343988917, 687977834, 1375955668, 2751911336, 5503822672, 45062548127, 90125096254, 180250192508, 360500385016, 721000770032]

約数ペア:

[(1, 721000770032), (2, 360500385016), (4, 180250192508), (8, 90125096254), (16, 45062548127), (131, 5503822672), (262, 2751911336), (524, 1375955668), (1048, 687977834), (2096, 343988917), (2129, 338657008), (4258, 169328504), (8516, 84664252), (17032, 42332126), (34064, 21166063), (161573, 4462384), (278899, 2585168), (323146, 2231192), (557798, 1292584), (646292, 1115596)]