28657112

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2377}}^1$

素因数の和:2531

約数の個数: 32

約数和(自身を含む): 59069520

約数和(自身を除く): 30412408

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 137, 274, 548, 1096, 1507, 2377, 3014, 4754, 6028, 9508, 12056, 19016, 26147, 52294, 104588, 209176, 325649, 651298, 1302596, 2605192, 3582139, 7164278, 14328556, 28657112]

約数ペア:

[(1, 28657112), (2, 14328556), (4, 7164278), (8, 3582139), (11, 2605192), (22, 1302596), (44, 651298), (88, 325649), (137, 209176), (274, 104588), (548, 52294), (1096, 26147), (1507, 19016), (2377, 12056), (3014, 9508), (4754, 6028)]