408780892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{81043}}^1$

素因数の和:81157

約数の個数: 24

約数和(自身を含む): 778346576

約数和(自身を除く): 369565684

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 5044, 81043, 162086, 324172, 1053559, 2107118, 4214236, 7861171, 15722342, 31444684, 102195223, 204390446, 408780892]

約数ペア:

[(1, 408780892), (2, 204390446), (4, 102195223), (13, 31444684), (26, 15722342), (52, 7861171), (97, 4214236), (194, 2107118), (388, 1053559), (1261, 324172), (2522, 162086), (5044, 81043)]