28901356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 58705920

約数和(自身を除く): 29804564

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 181, 191, 209, 362, 382, 418, 724, 764, 836, 1991, 2101, 3439, 3629, 3982, 4202, 6878, 7258, 7964, 8404, 13756, 14516, 34571, 37829, 39919, 69142, 75658, 79838, 138284, 151316, 159676, 380281, 656849, 760562, 1313698, 1521124, 2627396, 7225339, 14450678, 28901356]

約数ペア:

[(1, 28901356), (2, 14450678), (4, 7225339), (11, 2627396), (19, 1521124), (22, 1313698), (38, 760562), (44, 656849), (76, 380281), (181, 159676), (191, 151316), (209, 138284), (362, 79838), (382, 75658), (418, 69142), (724, 39919), (764, 37829), (836, 34571), (1991, 14516), (2101, 13756), (3439, 8404), (3629, 7964), (3982, 7258), (4202, 6878)]