211674727

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 251817984

約数和(自身を除く): 40143257

約数列:

[1, 11, 23, 31, 137, 197, 253, 341, 713, 1507, 2167, 3151, 4247, 4531, 6107, 7843, 26989, 34661, 46717, 49841, 67177, 97681, 140461, 296879, 620747, 836659, 1074491, 1545071, 6828217, 9203249, 19243157, 211674727]

約数ペア:

[(1, 211674727), (11, 19243157), (23, 9203249), (31, 6828217), (137, 1545071), (197, 1074491), (253, 836659), (341, 620747), (713, 296879), (1507, 140461), (2167, 97681), (3151, 67177), (4247, 49841), (4531, 46717), (6107, 34661), (7843, 26989)]