1285643168

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{2689}}^1$

素因数の和:2989

約数の個数: 48

約数和(自身を含む): 2581367040

約数和(自身を除く): 1295723872

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 223, 268, 446, 536, 892, 1072, 1784, 2144, 2689, 3568, 5378, 7136, 10756, 14941, 21512, 29882, 43024, 59764, 86048, 119528, 180163, 239056, 360326, 478112, 599647, 720652, 1199294, 1441304, 2398588, 2882608, 4797176, 5765216, 9594352, 19188704, 40176349, 80352698, 160705396, 321410792, 642821584, 1285643168]

約数ペア:

[(1, 1285643168), (2, 642821584), (4, 321410792), (8, 160705396), (16, 80352698), (32, 40176349), (67, 19188704), (134, 9594352), (223, 5765216), (268, 4797176), (446, 2882608), (536, 2398588), (892, 1441304), (1072, 1199294), (1784, 720652), (2144, 599647), (2689, 478112), (3568, 360326), (5378, 239056), (7136, 180163), (10756, 119528), (14941, 86048), (21512, 59764), (29882, 43024)]