220176978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{275911}}^1$

素因数の和:275942

約数の個数: 32

約数和(自身を含む): 529751040

約数和(自身を除く): 309574062

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 275911, 551822, 827733, 1655466, 1931377, 3862754, 5242309, 5794131, 10484618, 11588262, 15726927, 31453854, 36696163, 73392326, 110088489, 220176978]

約数ペア:

[(1, 220176978), (2, 110088489), (3, 73392326), (6, 36696163), (7, 31453854), (14, 15726927), (19, 11588262), (21, 10484618), (38, 5794131), (42, 5242309), (57, 3862754), (114, 1931377), (133, 1655466), (266, 827733), (399, 551822), (798, 275911)]