28991142

素因数分解:

$2^1\times 3^3\times {\mathrm{257}}^1\times {\mathrm{2089}}^1$

素因数の和:2357

約数の個数: 32

約数和(自身を含む): 64706400

約数和(自身を除く): 35715258

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 257, 514, 771, 1542, 2089, 2313, 4178, 4626, 6267, 6939, 12534, 13878, 18801, 37602, 56403, 112806, 536873, 1073746, 1610619, 3221238, 4831857, 9663714, 14495571, 28991142]

約数ペア:

[(1, 28991142), (2, 14495571), (3, 9663714), (6, 4831857), (9, 3221238), (18, 1610619), (27, 1073746), (54, 536873), (257, 112806), (514, 56403), (771, 37602), (1542, 18801), (2089, 13878), (2313, 12534), (4178, 6939), (4626, 6267)]