1218265321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{461639}}^1$

素因数の和:461688

約数の個数: 16

約数和(自身を含む): 1551110400

約数和(自身を除く): 332845079

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 461639, 3231473, 6001307, 13387531, 42009149, 93712717, 174037903, 1218265321]

約数ペア:

[(1, 1218265321), (7, 174037903), (13, 93712717), (29, 42009149), (91, 13387531), (203, 6001307), (377, 3231473), (2639, 461639)]