1388402463

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2279807}}^1$

素因数の和:2279846

約数の個数: 16

約数和(自身を含む): 2188615680

約数和(自身を除く): 800213217

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 2279807, 6839421, 15958649, 47875947, 66114403, 198343209, 462800821, 1388402463]

約数ペア:

[(1, 1388402463), (3, 462800821), (7, 198343209), (21, 66114403), (29, 47875947), (87, 15958649), (203, 6839421), (609, 2279807)]