128217628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{416291}}^1$

素因数の和:416313

約数の個数: 24

約数和(自身を含む): 279748224

約数和(自身を除く): 151530596

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 416291, 832582, 1665164, 2914037, 4579201, 5828074, 9158402, 11656148, 18316804, 32054407, 64108814, 128217628]

約数ペア:

[(1, 128217628), (2, 64108814), (4, 32054407), (7, 18316804), (11, 11656148), (14, 9158402), (22, 5828074), (28, 4579201), (44, 2914037), (77, 1665164), (154, 832582), (308, 416291)]