681597248

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{343547}}^1$

素因数の和:343590

約数の個数: 28

約数和(自身を含む): 1396179072

約数和(自身を除く): 714581824

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 343547, 687094, 1374188, 2748376, 5496752, 10649957, 10993504, 21299914, 21987008, 42599828, 85199656, 170399312, 340798624, 681597248]

約数ペア:

[(1, 681597248), (2, 340798624), (4, 170399312), (8, 85199656), (16, 42599828), (31, 21987008), (32, 21299914), (62, 10993504), (64, 10649957), (124, 5496752), (248, 2748376), (496, 1374188), (992, 687094), (1984, 343547)]