81669830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{4729}}^1$

素因数の和:4904

約数の個数: 32

約数和(自身を含む): 161425440

約数和(自身を除く): 79755610

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 157, 314, 785, 1570, 1727, 3454, 4729, 8635, 9458, 17270, 23645, 47290, 52019, 104038, 260095, 520190, 742453, 1484906, 3712265, 7424530, 8166983, 16333966, 40834915, 81669830]

約数ペア:

[(1, 81669830), (2, 40834915), (5, 16333966), (10, 8166983), (11, 7424530), (22, 3712265), (55, 1484906), (110, 742453), (157, 520190), (314, 260095), (785, 104038), (1570, 52019), (1727, 47290), (3454, 23645), (4729, 17270), (8635, 9458)]