217872668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{26687}}^1$

素因数の和:26861

約数の個数: 24

約数和(自身を含む): 413236992

約数和(自身を除く): 195364324

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 2041, 4082, 8164, 26687, 53374, 106748, 346931, 693862, 1387724, 4189859, 8379718, 16759436, 54468167, 108936334, 217872668]

約数ペア:

[(1, 217872668), (2, 108936334), (4, 54468167), (13, 16759436), (26, 8379718), (52, 4189859), (157, 1387724), (314, 693862), (628, 346931), (2041, 106748), (4082, 53374), (8164, 26687)]