81208428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1787}}^1$

素因数の和:2342

約数の個数: 48

約数和(自身を含む): 217077504

約数和(自身を除く): 135869076

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 541, 1082, 1623, 1787, 2164, 3246, 3574, 3787, 5361, 6492, 7148, 7574, 10722, 11361, 12509, 15148, 21444, 22722, 25018, 37527, 45444, 50036, 75054, 150108, 966767, 1933534, 2900301, 3867068, 5800602, 6767369, 11601204, 13534738, 20302107, 27069476, 40604214, 81208428]

約数ペア:

[(1, 81208428), (2, 40604214), (3, 27069476), (4, 20302107), (6, 13534738), (7, 11601204), (12, 6767369), (14, 5800602), (21, 3867068), (28, 2900301), (42, 1933534), (84, 966767), (541, 150108), (1082, 75054), (1623, 50036), (1787, 45444), (2164, 37527), (3246, 25018), (3574, 22722), (3787, 21444), (5361, 15148), (6492, 12509), (7148, 11361), (7574, 10722)]