398932008

素因数分解:

$2^3\times 3^1\times {\mathrm{661}}^1\times {\mathrm{25147}}^1$

素因数の和:25817

約数の個数: 32

約数和(自身を含む): 998878560

約数和(自身を除く): 599946552

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 661, 1322, 1983, 2644, 3966, 5288, 7932, 15864, 25147, 50294, 75441, 100588, 150882, 201176, 301764, 603528, 16622167, 33244334, 49866501, 66488668, 99733002, 132977336, 199466004, 398932008]

約数ペア:

[(1, 398932008), (2, 199466004), (3, 132977336), (4, 99733002), (6, 66488668), (8, 49866501), (12, 33244334), (24, 16622167), (661, 603528), (1322, 301764), (1983, 201176), (2644, 150882), (3966, 100588), (5288, 75441), (7932, 50294), (15864, 25147)]