256143568

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{219301}}^1$

素因数の和:219382

約数の個数: 20

約数和(自身を含む): 503078788

約数和(自身を除く): 246935220

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 219301, 438602, 877204, 1754408, 3508816, 16008973, 32017946, 64035892, 128071784, 256143568]

約数ペア:

[(1, 256143568), (2, 128071784), (4, 64035892), (8, 32017946), (16, 16008973), (73, 3508816), (146, 1754408), (292, 877204), (584, 438602), (1168, 219301)]