218637928

素因数分解:

$2^3\times {\mathrm{691}}^1\times {\mathrm{39551}}^1$

素因数の和:40248

約数の個数: 16

約数和(自身を含む): 410549760

約数和(自身を除く): 191911832

約数列:

[1, 2, 4, 8, 691, 1382, 2764, 5528, 39551, 79102, 158204, 316408, 27329741, 54659482, 109318964, 218637928]

約数ペア:

[(1, 218637928), (2, 109318964), (4, 54659482), (8, 27329741), (691, 316408), (1382, 158204), (2764, 79102), (5528, 39551)]