72800728

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9091}}^1$

素因数の和:9128

約数の個数: 64

約数和(自身を含む): 183294720

約数和(自身を除く): 110493992

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 4004, 8008, 9091, 18182, 36364, 63637, 72728, 100001, 118183, 127274, 200002, 236366, 254548, 400004, 472732, 509096, 700007, 800008, 827281, 945464, 1300013, 1400014, 1654562, 2600026, 2800028, 3309124, 5200052, 5600056, 6618248, 9100091, 10400104, 18200182, 36400364, 72800728]

約数ペア:

[(1, 72800728), (2, 36400364), (4, 18200182), (7, 10400104), (8, 9100091), (11, 6618248), (13, 5600056), (14, 5200052), (22, 3309124), (26, 2800028), (28, 2600026), (44, 1654562), (52, 1400014), (56, 1300013), (77, 945464), (88, 827281), (91, 800008), (104, 700007), (143, 509096), (154, 472732), (182, 400004), (286, 254548), (308, 236366), (364, 200002), (572, 127274), (616, 118183), (728, 100001), (1001, 72728), (1144, 63637), (2002, 36364), (4004, 18182), (8008, 9091)]