219193676

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{324251}}^1$

素因数の和:324281

約数の個数: 18

約数和(自身を含む): 415366812

約数和(自身を除く): 196173136

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 324251, 648502, 1297004, 4215263, 8430526, 16861052, 54798419, 109596838, 219193676]

約数ペア:

[(1, 219193676), (2, 109596838), (4, 54798419), (13, 16861052), (26, 8430526), (52, 4215263), (169, 1297004), (338, 648502), (676, 324251)]