28164004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{571}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 57657600

約数和(自身を除く): 29493596

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 59, 76, 118, 209, 236, 418, 571, 649, 836, 1121, 1142, 1298, 2242, 2284, 2596, 4484, 6281, 10849, 12331, 12562, 21698, 24662, 25124, 33689, 43396, 49324, 67378, 119339, 134756, 238678, 370579, 477356, 640091, 741158, 1280182, 1482316, 2560364, 7041001, 14082002, 28164004]

約数ペア:

[(1, 28164004), (2, 14082002), (4, 7041001), (11, 2560364), (19, 1482316), (22, 1280182), (38, 741158), (44, 640091), (59, 477356), (76, 370579), (118, 238678), (209, 134756), (236, 119339), (418, 67378), (571, 49324), (649, 43396), (836, 33689), (1121, 25124), (1142, 24662), (1298, 21698), (2242, 12562), (2284, 12331), (2596, 10849), (4484, 6281)]