142271636

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{210461}}^1$

素因数の和:210491

約数の個数: 18

約数和(自身を含む): 269601822

約数和(自身を除く): 127330186

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 210461, 420922, 841844, 2735993, 5471986, 10943972, 35567909, 71135818, 142271636]

約数ペア:

[(1, 142271636), (2, 71135818), (4, 35567909), (13, 10943972), (26, 5471986), (52, 2735993), (169, 841844), (338, 420922), (676, 210461)]