28934345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 40124160

約数和(自身を除く): 11189815

約数列:

[1, 5, 11, 23, 55, 89, 115, 253, 257, 445, 979, 1265, 1285, 2047, 2827, 4895, 5911, 10235, 14135, 22517, 22873, 29555, 65021, 112585, 114365, 251603, 325105, 526079, 1258015, 2630395, 5786869, 28934345]

約数ペア:

[(1, 28934345), (5, 5786869), (11, 2630395), (23, 1258015), (55, 526079), (89, 325105), (115, 251603), (253, 114365), (257, 112585), (445, 65021), (979, 29555), (1265, 22873), (1285, 22517), (2047, 14135), (2827, 10235), (4895, 5911)]