1644148

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 36

約数和(自身を含む): 3277120

約数和(自身を除く): 1632972

約数列:

[1, 2, 4, 11, 22, 43, 44, 79, 86, 121, 158, 172, 242, 316, 473, 484, 869, 946, 1738, 1892, 3397, 3476, 5203, 6794, 9559, 10406, 13588, 19118, 20812, 37367, 38236, 74734, 149468, 411037, 822074, 1644148]

約数ペア:

[(1, 1644148), (2, 822074), (4, 411037), (11, 149468), (22, 74734), (43, 38236), (44, 37367), (79, 20812), (86, 19118), (121, 13588), (158, 10406), (172, 9559), (242, 6794), (316, 5203), (473, 3476), (484, 3397), (869, 1892), (946, 1738)]