218691830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{84437}}^1$

素因数の和:84488

約数の個数: 32

約数和(自身を含む): 462044736

約数和(自身を除く): 243352906

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 84437, 168874, 422185, 591059, 844370, 1182118, 2955295, 3124169, 5910590, 6248338, 15620845, 21869183, 31241690, 43738366, 109345915, 218691830]

約数ペア:

[(1, 218691830), (2, 109345915), (5, 43738366), (7, 31241690), (10, 21869183), (14, 15620845), (35, 6248338), (37, 5910590), (70, 3124169), (74, 2955295), (185, 1182118), (259, 844370), (370, 591059), (518, 422185), (1295, 168874), (2590, 84437)]