87669572

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:708

約数の個数: 36

約数和(自身を含む): 163700460

約数和(自身を除く): 76030888

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 361, 436, 557, 722, 1114, 1444, 2071, 2228, 4142, 8284, 10583, 21166, 39349, 42332, 60713, 78698, 121426, 157396, 201077, 242852, 402154, 804308, 1153547, 2307094, 4614188, 21917393, 43834786, 87669572]

約数ペア:

[(1, 87669572), (2, 43834786), (4, 21917393), (19, 4614188), (38, 2307094), (76, 1153547), (109, 804308), (218, 402154), (361, 242852), (436, 201077), (557, 157396), (722, 121426), (1114, 78698), (1444, 60713), (2071, 42332), (2228, 39349), (4142, 21166), (8284, 10583)]