198427788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{423991}}^1$

素因数の和:424014

約数の個数: 36

約数和(自身を含む): 540165808

約数和(自身を除く): 341738020

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 423991, 847982, 1271973, 1695964, 2543946, 3815919, 5087892, 5511883, 7631838, 11023766, 15263676, 16535649, 22047532, 33071298, 49606947, 66142596, 99213894, 198427788]

約数ペア:

[(1, 198427788), (2, 99213894), (3, 66142596), (4, 49606947), (6, 33071298), (9, 22047532), (12, 16535649), (13, 15263676), (18, 11023766), (26, 7631838), (36, 5511883), (39, 5087892), (52, 3815919), (78, 2543946), (117, 1695964), (156, 1271973), (234, 847982), (468, 423991)]