262531808

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:557

約数の個数: 144

約数和(自身を含む): 678440448

約数和(自身を除く): 415908640

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 49, 56, 62, 77, 88, 98, 112, 124, 154, 176, 196, 217, 224, 248, 308, 341, 352, 392, 434, 491, 496, 539, 616, 682, 784, 868, 982, 992, 1078, 1232, 1364, 1519, 1568, 1736, 1964, 2156, 2387, 2464, 2728, 3038, 3437, 3472, 3928, 4312, 4774, 5401, 5456, 6076, 6874, 6944, 7856, 8624, 9548, 10802, 10912, 12152, 13748, 15221, 15712, 16709, 17248, 19096, 21604, 24059, 24304, 27496, 30442, 33418, 37807, 38192, 43208, 48118, 48608, 54992, 60884, 66836, 75614, 76384, 86416, 96236, 106547, 109984, 121768, 133672, 151228, 167431, 172832, 192472, 213094, 243536, 264649, 267344, 302456, 334862, 384944, 426188, 487072, 529298, 534688, 604912, 669724, 745829, 769888, 852376, 1058596, 1172017, 1209824, 1339448, 1491658, 1704752, 2117192, 2344034, 2678896, 2983316, 3409504, 4234384, 4688068, 5357792, 5966632, 8204119, 8468768, 9376136, 11933264, 16408238, 18752272, 23866528, 32816476, 37504544, 65632952, 131265904, 262531808]

約数ペア:

[(1, 262531808), (2, 131265904), (4, 65632952), (7, 37504544), (8, 32816476), (11, 23866528), (14, 18752272), (16, 16408238), (22, 11933264), (28, 9376136), (31, 8468768), (32, 8204119), (44, 5966632), (49, 5357792), (56, 4688068), (62, 4234384), (77, 3409504), (88, 2983316), (98, 2678896), (112, 2344034), (124, 2117192), (154, 1704752), (176, 1491658), (196, 1339448), (217, 1209824), (224, 1172017), (248, 1058596), (308, 852376), (341, 769888), (352, 745829), (392, 669724), (434, 604912), (491, 534688), (496, 529298), (539, 487072), (616, 426188), (682, 384944), (784, 334862), (868, 302456), (982, 267344), (992, 264649), (1078, 243536), (1232, 213094), (1364, 192472), (1519, 172832), (1568, 167431), (1736, 151228), (1964, 133672), (2156, 121768), (2387, 109984), (2464, 106547), (2728, 96236), (3038, 86416), (3437, 76384), (3472, 75614), (3928, 66836), (4312, 60884), (4774, 54992), (5401, 48608), (5456, 48118), (6076, 43208), (6874, 38192), (6944, 37807), (7856, 33418), (8624, 30442), (9548, 27496), (10802, 24304), (10912, 24059), (12152, 21604), (13748, 19096), (15221, 17248), (15712, 16709)]