268997872

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1442

約数の個数: 80

約数和(自身を含む): 619647840

約数和(自身を除く): 350649968

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 89, 104, 143, 176, 178, 208, 286, 356, 572, 712, 979, 1144, 1157, 1321, 1424, 1958, 2288, 2314, 2642, 3916, 4628, 5284, 7832, 9256, 10568, 12727, 14531, 15664, 17173, 18512, 21136, 25454, 29062, 34346, 50908, 58124, 68692, 101816, 116248, 117569, 137384, 188903, 203632, 232496, 235138, 274768, 377806, 470276, 755612, 940552, 1293259, 1511224, 1528397, 1881104, 2586518, 3022448, 3056794, 5173036, 6113588, 10346072, 12227176, 16812367, 20692144, 24454352, 33624734, 67249468, 134498936, 268997872]

約数ペア:

[(1, 268997872), (2, 134498936), (4, 67249468), (8, 33624734), (11, 24454352), (13, 20692144), (16, 16812367), (22, 12227176), (26, 10346072), (44, 6113588), (52, 5173036), (88, 3056794), (89, 3022448), (104, 2586518), (143, 1881104), (176, 1528397), (178, 1511224), (208, 1293259), (286, 940552), (356, 755612), (572, 470276), (712, 377806), (979, 274768), (1144, 235138), (1157, 232496), (1321, 203632), (1424, 188903), (1958, 137384), (2288, 117569), (2314, 116248), (2642, 101816), (3916, 68692), (4628, 58124), (5284, 50908), (7832, 34346), (9256, 29062), (10568, 25454), (12727, 21136), (14531, 18512), (15664, 17173)]