64157005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1237}}^1$

素因数の和:1317

約数の個数: 32

約数和(自身を含む): 89849088

約数和(自身を除く): 25692083

約数列:

[1, 5, 11, 23, 41, 55, 115, 205, 253, 451, 943, 1237, 1265, 2255, 4715, 6185, 10373, 13607, 28451, 50717, 51865, 68035, 142255, 253585, 312961, 557887, 1166491, 1564805, 2789435, 5832455, 12831401, 64157005]

約数ペア:

[(1, 64157005), (5, 12831401), (11, 5832455), (23, 2789435), (41, 1564805), (55, 1166491), (115, 557887), (205, 312961), (253, 253585), (451, 142255), (943, 68035), (1237, 51865), (1265, 50717), (2255, 28451), (4715, 13607), (6185, 10373)]