81791616

素因数分解:

$2^7\times 3^1\times {\mathrm{212999}}^1$

素因数の和:213016

約数の個数: 32

約数和(自身を含む): 217260000

約数和(自身を除く): 135468384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 212999, 425998, 638997, 851996, 1277994, 1703992, 2555988, 3407984, 5111976, 6815968, 10223952, 13631936, 20447904, 27263872, 40895808, 81791616]

約数ペア:

[(1, 81791616), (2, 40895808), (3, 27263872), (4, 20447904), (6, 13631936), (8, 10223952), (12, 6815968), (16, 5111976), (24, 3407984), (32, 2555988), (48, 1703992), (64, 1277994), (96, 851996), (128, 638997), (192, 425998), (384, 212999)]