388750439

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{967}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 508502016

約数和(自身を除く): 119751577

約数列:

[1, 7, 11, 23, 77, 161, 227, 253, 967, 1589, 1771, 2497, 5221, 6769, 10637, 17479, 22241, 36547, 57431, 74459, 155687, 219509, 244651, 402017, 1536563, 1712557, 2414599, 5048707, 16902193, 35340949, 55535777, 388750439]

約数ペア:

[(1, 388750439), (7, 55535777), (11, 35340949), (23, 16902193), (77, 5048707), (161, 2414599), (227, 1712557), (253, 1536563), (967, 402017), (1589, 244651), (1771, 219509), (2497, 155687), (5221, 74459), (6769, 57431), (10637, 36547), (17479, 22241)]