720593008

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{16253}}^1$

素因数の和:16441

約数の個数: 40

約数和(自身を含む): 1487436048

約数和(自身を除く): 766843040

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 163, 272, 326, 652, 1304, 2608, 2771, 5542, 11084, 16253, 22168, 32506, 44336, 65012, 130024, 260048, 276301, 552602, 1105204, 2210408, 2649239, 4420816, 5298478, 10596956, 21193912, 42387824, 45037063, 90074126, 180148252, 360296504, 720593008]

約数ペア:

[(1, 720593008), (2, 360296504), (4, 180148252), (8, 90074126), (16, 45037063), (17, 42387824), (34, 21193912), (68, 10596956), (136, 5298478), (163, 4420816), (272, 2649239), (326, 2210408), (652, 1105204), (1304, 552602), (2608, 276301), (2771, 260048), (5542, 130024), (11084, 65012), (16253, 44336), (22168, 32506)]