389941552

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:387

約数の個数: 160

約数和(自身を含む): 1028934144

約数和(自身を除く): 638992592

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 97, 104, 112, 143, 154, 176, 182, 194, 208, 251, 286, 308, 364, 388, 502, 572, 616, 679, 728, 776, 1001, 1004, 1067, 1144, 1232, 1261, 1358, 1456, 1552, 1757, 2002, 2008, 2134, 2288, 2522, 2716, 2761, 3263, 3514, 4004, 4016, 4268, 5044, 5432, 5522, 6526, 7028, 7469, 8008, 8536, 8827, 10088, 10864, 11044, 13052, 13871, 14056, 14938, 16016, 17072, 17654, 19327, 20176, 22088, 22841, 24347, 26104, 27742, 28112, 29876, 35308, 35893, 38654, 44176, 45682, 48694, 52208, 55484, 59752, 70616, 71786, 77308, 91364, 97097, 97388, 110968, 119504, 141232, 143572, 154616, 170429, 182728, 194194, 194776, 221936, 251251, 267817, 287144, 309232, 316511, 340858, 365456, 388388, 389552, 502502, 535634, 574288, 633022, 681716, 776776, 1005004, 1071268, 1266044, 1363432, 1553552, 1874719, 2010008, 2142536, 2215577, 2532088, 2726864, 3481621, 3749438, 4020016, 4285072, 4431154, 5064176, 6963242, 7498876, 8862308, 13926484, 14997752, 17724616, 24371347, 27852968, 29995504, 35449232, 48742694, 55705936, 97485388, 194970776, 389941552]

約数ペア:

[(1, 389941552), (2, 194970776), (4, 97485388), (7, 55705936), (8, 48742694), (11, 35449232), (13, 29995504), (14, 27852968), (16, 24371347), (22, 17724616), (26, 14997752), (28, 13926484), (44, 8862308), (52, 7498876), (56, 6963242), (77, 5064176), (88, 4431154), (91, 4285072), (97, 4020016), (104, 3749438), (112, 3481621), (143, 2726864), (154, 2532088), (176, 2215577), (182, 2142536), (194, 2010008), (208, 1874719), (251, 1553552), (286, 1363432), (308, 1266044), (364, 1071268), (388, 1005004), (502, 776776), (572, 681716), (616, 633022), (679, 574288), (728, 535634), (776, 502502), (1001, 389552), (1004, 388388), (1067, 365456), (1144, 340858), (1232, 316511), (1261, 309232), (1358, 287144), (1456, 267817), (1552, 251251), (1757, 221936), (2002, 194776), (2008, 194194), (2134, 182728), (2288, 170429), (2522, 154616), (2716, 143572), (2761, 141232), (3263, 119504), (3514, 110968), (4004, 97388), (4016, 97097), (4268, 91364), (5044, 77308), (5432, 71786), (5522, 70616), (6526, 59752), (7028, 55484), (7469, 52208), (8008, 48694), (8536, 45682), (8827, 44176), (10088, 38654), (10864, 35893), (11044, 35308), (13052, 29876), (13871, 28112), (14056, 27742), (14938, 26104), (16016, 24347), (17072, 22841), (17654, 22088), (19327, 20176)]