1661972992

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{104711}}^1$

素因数の和:104760

約数の個数: 40

約数和(自身を含む): 3427852032

約数和(自身を除く): 1765879040

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 104711, 209422, 418844, 837688, 1675376, 3246041, 3350752, 6492082, 6701504, 12984164, 13403008, 25968328, 26806016, 51936656, 53612032, 103873312, 207746624, 415493248, 830986496, 1661972992]

約数ペア:

[(1, 1661972992), (2, 830986496), (4, 415493248), (8, 207746624), (16, 103873312), (31, 53612032), (32, 51936656), (62, 26806016), (64, 25968328), (124, 13403008), (128, 12984164), (248, 6701504), (256, 6492082), (496, 3350752), (512, 3246041), (992, 1675376), (1984, 837688), (3968, 418844), (7936, 209422), (15872, 104711)]