686141872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{907}}^1\times {\mathrm{3637}}^1$

素因数の和:4565

約数の個数: 40

約数和(自身を含む): 1433633936

約数和(自身を除く): 747492064

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 907, 1814, 3628, 3637, 7256, 7274, 11791, 14512, 14548, 23582, 29096, 47164, 47281, 58192, 94328, 94562, 188656, 189124, 378248, 756496, 3298759, 6597518, 13195036, 26390072, 42883867, 52780144, 85767734, 171535468, 343070936, 686141872]

約数ペア:

[(1, 686141872), (2, 343070936), (4, 171535468), (8, 85767734), (13, 52780144), (16, 42883867), (26, 26390072), (52, 13195036), (104, 6597518), (208, 3298759), (907, 756496), (1814, 378248), (3628, 189124), (3637, 188656), (7256, 94562), (7274, 94328), (11791, 58192), (14512, 47281), (14548, 47164), (23582, 29096)]