398469864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1277147}}^1$

素因数の和:1277169

約数の個数: 32

約数和(自身を含む): 1072804320

約数和(自身を除く): 674334456

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1277147, 2554294, 3831441, 5108588, 7662882, 10217176, 15325764, 16602911, 30651528, 33205822, 49808733, 66411644, 99617466, 132823288, 199234932, 398469864]

約数ペア:

[(1, 398469864), (2, 199234932), (3, 132823288), (4, 99617466), (6, 66411644), (8, 49808733), (12, 33205822), (13, 30651528), (24, 16602911), (26, 15325764), (39, 10217176), (52, 7662882), (78, 5108588), (104, 3831441), (156, 2554294), (312, 1277147)]