221702978

素因数分解:

$2^1\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{11467}}^1$

素因数の和:12857

約数の個数: 16

約数和(自身を含む): 380370624

約数和(自身を除く): 158667646

約数列:

[1, 2, 7, 14, 1381, 2762, 9667, 11467, 19334, 22934, 80269, 160538, 15835927, 31671854, 110851489, 221702978]

約数ペア:

[(1, 221702978), (2, 110851489), (7, 31671854), (14, 15835927), (1381, 160538), (2762, 80269), (9667, 22934), (11467, 19334)]