64340470655

素因数分解:

$5^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{383}}^1\times {\mathrm{1237}}^1$

素因数の和:1955

約数の個数: 32

約数和(自身を含む): 78416861184

約数和(自身を除く): 14076390529

約数列:

[1, 5, 157, 173, 383, 785, 865, 1237, 1915, 6185, 27161, 60131, 66259, 135805, 194209, 214001, 300655, 331295, 473771, 971045, 1070005, 2368855, 10402663, 33598157, 52013315, 74382047, 81962383, 167990785, 371910235, 409811915, 12868094131, 64340470655]

約数ペア:

[(1, 64340470655), (5, 12868094131), (157, 409811915), (173, 371910235), (383, 167990785), (785, 81962383), (865, 74382047), (1237, 52013315), (1915, 33598157), (6185, 10402663), (27161, 2368855), (60131, 1070005), (66259, 971045), (135805, 473771), (194209, 331295), (214001, 300655)]