80987296

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{194681}}^1$

素因数の和:194704

約数の個数: 24

約数和(自身を含む): 171709524

約数和(自身を除く): 90722228

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 194681, 389362, 778724, 1557448, 2530853, 3114896, 5061706, 6229792, 10123412, 20246824, 40493648, 80987296]

約数ペア:

[(1, 80987296), (2, 40493648), (4, 20246824), (8, 10123412), (13, 6229792), (16, 5061706), (26, 3114896), (32, 2530853), (52, 1557448), (104, 778724), (208, 389362), (416, 194681)]