221520236

素因数分解:

$2^2\times 7^1\times {\mathrm{1721}}^1\times {\mathrm{4597}}^1$

素因数の和:6329

約数の個数: 24

約数和(自身を含む): 443394336

約数和(自身を除く): 221874100

約数列:

[1, 2, 4, 7, 14, 28, 1721, 3442, 4597, 6884, 9194, 12047, 18388, 24094, 32179, 48188, 64358, 128716, 7911437, 15822874, 31645748, 55380059, 110760118, 221520236]

約数ペア:

[(1, 221520236), (2, 110760118), (4, 55380059), (7, 31645748), (14, 15822874), (28, 7911437), (1721, 128716), (3442, 64358), (4597, 48188), (6884, 32179), (9194, 24094), (12047, 18388)]