7800004

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:483

約数の個数: 24

約数和(自身を含む): 14112000

約数和(自身を除く): 6311996

約数列:

[1, 2, 4, 41, 82, 164, 199, 239, 398, 478, 796, 956, 8159, 9799, 16318, 19598, 32636, 39196, 47561, 95122, 190244, 1950001, 3900002, 7800004]

約数ペア:

[(1, 7800004), (2, 3900002), (4, 1950001), (41, 190244), (82, 95122), (164, 47561), (199, 39196), (239, 32636), (398, 19598), (478, 16318), (796, 9799), (956, 8159)]