398942589

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:957

約数の個数: 32

約数和(自身を含む): 565488000

約数和(自身を除く): 166545411

約数列:

[1, 3, 29, 67, 87, 89, 201, 267, 769, 1943, 2307, 2581, 5829, 5963, 7743, 17889, 22301, 51523, 66903, 68441, 154569, 172927, 205323, 518781, 1494167, 1984789, 4482501, 4585547, 5954367, 13756641, 132980863, 398942589]

約数ペア:

[(1, 398942589), (3, 132980863), (29, 13756641), (67, 5954367), (87, 4585547), (89, 4482501), (201, 1984789), (267, 1494167), (769, 518781), (1943, 205323), (2307, 172927), (2581, 154569), (5829, 68441), (5963, 66903), (7743, 51523), (17889, 22301)]