978610412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1\times {\mathrm{479}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 1871251200

約数和(自身を除く): 892640788

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 389, 404, 479, 778, 958, 1313, 1556, 1916, 2626, 5057, 5252, 6227, 10114, 12454, 20228, 24908, 39289, 48379, 78578, 96758, 157156, 186331, 193516, 372662, 510757, 628927, 745324, 1021514, 1257854, 2043028, 2422303, 2515708, 4844606, 9689212, 18819431, 37638862, 75277724, 244652603, 489305206, 978610412]

約数ペア:

[(1, 978610412), (2, 489305206), (4, 244652603), (13, 75277724), (26, 37638862), (52, 18819431), (101, 9689212), (202, 4844606), (389, 2515708), (404, 2422303), (479, 2043028), (778, 1257854), (958, 1021514), (1313, 745324), (1556, 628927), (1916, 510757), (2626, 372662), (5057, 193516), (5252, 186331), (6227, 157156), (10114, 96758), (12454, 78578), (20228, 48379), (24908, 39289)]