12721452016

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{672097}}^1$

素因数の和:672138

約数の個数: 60

約数和(自身を含む): 30502495632

約数和(自身を除く): 17781043616

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1183, 1352, 1456, 2366, 2704, 4732, 9464, 18928, 672097, 1344194, 2688388, 4704679, 5376776, 8737261, 9409358, 10753552, 17474522, 18818716, 34949044, 37637432, 61160827, 69898088, 75274864, 113584393, 122321654, 139796176, 227168786, 244643308, 454337572, 489286616, 795090751, 908675144, 978573232, 1590181502, 1817350288, 3180363004, 6360726008, 12721452016]

約数ペア:

[(1, 12721452016), (2, 6360726008), (4, 3180363004), (7, 1817350288), (8, 1590181502), (13, 978573232), (14, 908675144), (16, 795090751), (26, 489286616), (28, 454337572), (52, 244643308), (56, 227168786), (91, 139796176), (104, 122321654), (112, 113584393), (169, 75274864), (182, 69898088), (208, 61160827), (338, 37637432), (364, 34949044), (676, 18818716), (728, 17474522), (1183, 10753552), (1352, 9409358), (1456, 8737261), (2366, 5376776), (2704, 4704679), (4732, 2688388), (9464, 1344194), (18928, 672097)]