641184008

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{683}}^1\times {\mathrm{2729}}^1$

素因数の和:3461

約数の個数: 32

約数和(自身を含む): 1232431200

約数和(自身を除く): 591247192

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 683, 1366, 2729, 2732, 5458, 5464, 10916, 21832, 29369, 58738, 117347, 117476, 234694, 234952, 469388, 938776, 1863907, 3727814, 7455628, 14911256, 80148001, 160296002, 320592004, 641184008]

約数ペア:

[(1, 641184008), (2, 320592004), (4, 160296002), (8, 80148001), (43, 14911256), (86, 7455628), (172, 3727814), (344, 1863907), (683, 938776), (1366, 469388), (2729, 234952), (2732, 234694), (5458, 117476), (5464, 117347), (10916, 58738), (21832, 29369)]