87861730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{72613}}^1$

素因数の和:72642

約数の個数: 24

約数和(自身を含む): 173837916

約数和(自身を除く): 85976186

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 72613, 145226, 363065, 726130, 798743, 1597486, 3993715, 7987430, 8786173, 17572346, 43930865, 87861730]

約数ペア:

[(1, 87861730), (2, 43930865), (5, 17572346), (10, 8786173), (11, 7987430), (22, 3993715), (55, 1597486), (110, 798743), (121, 726130), (242, 363065), (605, 145226), (1210, 72613)]