402380368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1934521}}^1$

素因数の和:1934542

約数の個数: 20

約数和(自身を含む): 839582548

約数和(自身を除く): 437202180

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1934521, 3869042, 7738084, 15476168, 25148773, 30952336, 50297546, 100595092, 201190184, 402380368]

約数ペア:

[(1, 402380368), (2, 201190184), (4, 100595092), (8, 50297546), (13, 30952336), (16, 25148773), (26, 15476168), (52, 7738084), (104, 3869042), (208, 1934521)]