217203416

素因数分解:

$2^3\times {\mathrm{991}}^1\times {\mathrm{27397}}^1$

素因数の和:28394

約数の個数: 16

約数和(自身を含む): 407682240

約数和(自身を除く): 190478824

約数列:

[1, 2, 4, 8, 991, 1982, 3964, 7928, 27397, 54794, 109588, 219176, 27150427, 54300854, 108601708, 217203416]

約数ペア:

[(1, 217203416), (2, 108601708), (4, 54300854), (8, 27150427), (991, 219176), (1982, 109588), (3964, 54794), (7928, 27397)]