2791228

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 36

約数和(自身を含む): 5511520

約数和(自身を除く): 2720292

約数列:

[1, 2, 4, 11, 22, 44, 73, 79, 121, 146, 158, 242, 292, 316, 484, 803, 869, 1606, 1738, 3212, 3476, 5767, 8833, 9559, 11534, 17666, 19118, 23068, 35332, 38236, 63437, 126874, 253748, 697807, 1395614, 2791228]

約数ペア:

[(1, 2791228), (2, 1395614), (4, 697807), (11, 253748), (22, 126874), (44, 63437), (73, 38236), (79, 35332), (121, 23068), (146, 19118), (158, 17666), (242, 11534), (292, 9559), (316, 8833), (484, 5767), (803, 3476), (869, 3212), (1606, 1738)]