161379452

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{238727}}^1$

素因数の和:238757

約数の個数: 18

約数和(自身を含む): 305810568

約数和(自身を除く): 144431116

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 238727, 477454, 954908, 3103451, 6206902, 12413804, 40344863, 80689726, 161379452]

約数ペア:

[(1, 161379452), (2, 80689726), (4, 40344863), (13, 12413804), (26, 6206902), (52, 3103451), (169, 954908), (338, 477454), (676, 238727)]