221991154

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1171}}^1\times {\mathrm{1231}}^1$

素因数の和:2422

約数の個数: 32

約数和(自身を含む): 415844352

約数和(自身を除く): 193853198

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 1171, 1231, 2342, 2462, 8197, 8617, 12881, 13541, 16394, 17234, 25762, 27082, 90167, 94787, 180334, 189574, 1441501, 2883002, 10090507, 15856511, 20181014, 31713022, 110995577, 221991154]

約数ペア:

[(1, 221991154), (2, 110995577), (7, 31713022), (11, 20181014), (14, 15856511), (22, 10090507), (77, 2883002), (154, 1441501), (1171, 189574), (1231, 180334), (2342, 94787), (2462, 90167), (8197, 27082), (8617, 25762), (12881, 17234), (13541, 16394)]