2561812

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 36

約数和(自身を含む): 5064640

約数和(自身を除く): 2502828

約数列:

[1, 2, 4, 11, 22, 44, 67, 79, 121, 134, 158, 242, 268, 316, 484, 737, 869, 1474, 1738, 2948, 3476, 5293, 8107, 9559, 10586, 16214, 19118, 21172, 32428, 38236, 58223, 116446, 232892, 640453, 1280906, 2561812]

約数ペア:

[(1, 2561812), (2, 1280906), (4, 640453), (11, 232892), (22, 116446), (44, 58223), (67, 38236), (79, 32428), (121, 21172), (134, 19118), (158, 16214), (242, 10586), (268, 9559), (316, 8107), (484, 5293), (737, 3476), (869, 2948), (1474, 1738)]