128817584

素因数分解:

$2^4\times 7^1\times {\mathrm{673}}^1\times {\mathrm{1709}}^1$

素因数の和:2397

約数の個数: 40

約数和(自身を含む): 285829920

約数和(自身を除く): 157012336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 673, 1346, 1709, 2692, 3418, 4711, 5384, 6836, 9422, 10768, 11963, 13672, 18844, 23926, 27344, 37688, 47852, 75376, 95704, 191408, 1150157, 2300314, 4600628, 8051099, 9201256, 16102198, 18402512, 32204396, 64408792, 128817584]

約数ペア:

[(1, 128817584), (2, 64408792), (4, 32204396), (7, 18402512), (8, 16102198), (14, 9201256), (16, 8051099), (28, 4600628), (56, 2300314), (112, 1150157), (673, 191408), (1346, 95704), (1709, 75376), (2692, 47852), (3418, 37688), (4711, 27344), (5384, 23926), (6836, 18844), (9422, 13672), (10768, 11963)]