28391188

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3533}}^1$

素因数の和:3592

約数の個数: 36

約数和(自身を含む): 59222772

約数和(自身を除く): 30831584

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 3533, 4018, 7066, 8036, 14132, 24731, 49462, 98924, 144853, 173117, 289706, 346234, 579412, 692468, 1013971, 2027942, 4055884, 7097797, 14195594, 28391188]

約数ペア:

[(1, 28391188), (2, 14195594), (4, 7097797), (7, 4055884), (14, 2027942), (28, 1013971), (41, 692468), (49, 579412), (82, 346234), (98, 289706), (164, 173117), (196, 144853), (287, 98924), (574, 49462), (1148, 24731), (2009, 14132), (3533, 8036), (4018, 7066)]