255996818

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{16139}}^1$

素因数の和:16262

約数の個数: 32

約数和(自身を含む): 483425280

約数和(自身を除く): 227428462

約数列:

[1, 2, 7, 11, 14, 22, 77, 103, 154, 206, 721, 1133, 1442, 2266, 7931, 15862, 16139, 32278, 112973, 177529, 225946, 355058, 1242703, 1662317, 2485406, 3324634, 11636219, 18285487, 23272438, 36570974, 127998409, 255996818]

約数ペア:

[(1, 255996818), (2, 127998409), (7, 36570974), (11, 23272438), (14, 18285487), (22, 11636219), (77, 3324634), (103, 2485406), (154, 1662317), (206, 1242703), (721, 355058), (1133, 225946), (1442, 177529), (2266, 112973), (7931, 32278), (15862, 16139)]