320415836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{19813}}^1$

素因数の和:20141

約数の個数: 24

約数和(自身を含む): 605832864

約数和(自身を除く): 285417028

約数列:

[1, 2, 4, 13, 26, 52, 311, 622, 1244, 4043, 8086, 16172, 19813, 39626, 79252, 257569, 515138, 1030276, 6161843, 12323686, 24647372, 80103959, 160207918, 320415836]

約数ペア:

[(1, 320415836), (2, 160207918), (4, 80103959), (13, 24647372), (26, 12323686), (52, 6161843), (311, 1030276), (622, 515138), (1244, 257569), (4043, 79252), (8086, 39626), (16172, 19813)]