39891488

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 144

約数和(自身を含む): 104569920

約数和(自身を除く): 64678432

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 49, 52, 56, 76, 91, 98, 103, 104, 112, 133, 152, 182, 196, 206, 208, 224, 247, 266, 304, 364, 392, 412, 416, 494, 532, 608, 637, 721, 728, 784, 824, 931, 988, 1064, 1274, 1339, 1442, 1456, 1568, 1648, 1729, 1862, 1957, 1976, 2128, 2548, 2678, 2884, 2912, 3296, 3458, 3724, 3914, 3952, 4256, 5047, 5096, 5356, 5768, 6916, 7448, 7828, 7904, 9373, 10094, 10192, 10712, 11536, 12103, 13699, 13832, 14896, 15656, 18746, 20188, 20384, 21424, 23072, 24206, 25441, 27398, 27664, 29792, 31312, 37492, 40376, 42848, 48412, 50882, 54796, 55328, 62624, 65611, 74984, 80752, 95893, 96824, 101764, 109592, 131222, 149968, 161504, 178087, 191786, 193648, 203528, 219184, 262444, 299936, 356174, 383572, 387296, 407056, 438368, 524888, 712348, 767144, 814112, 1049776, 1246609, 1424696, 1534288, 2099552, 2493218, 2849392, 3068576, 4986436, 5698784, 9972872, 19945744, 39891488]

約数ペア:

[(1, 39891488), (2, 19945744), (4, 9972872), (7, 5698784), (8, 4986436), (13, 3068576), (14, 2849392), (16, 2493218), (19, 2099552), (26, 1534288), (28, 1424696), (32, 1246609), (38, 1049776), (49, 814112), (52, 767144), (56, 712348), (76, 524888), (91, 438368), (98, 407056), (103, 387296), (104, 383572), (112, 356174), (133, 299936), (152, 262444), (182, 219184), (196, 203528), (206, 193648), (208, 191786), (224, 178087), (247, 161504), (266, 149968), (304, 131222), (364, 109592), (392, 101764), (412, 96824), (416, 95893), (494, 80752), (532, 74984), (608, 65611), (637, 62624), (721, 55328), (728, 54796), (784, 50882), (824, 48412), (931, 42848), (988, 40376), (1064, 37492), (1274, 31312), (1339, 29792), (1442, 27664), (1456, 27398), (1568, 25441), (1648, 24206), (1729, 23072), (1862, 21424), (1957, 20384), (1976, 20188), (2128, 18746), (2548, 15656), (2678, 14896), (2884, 13832), (2912, 13699), (3296, 12103), (3458, 11536), (3724, 10712), (3914, 10192), (3952, 10094), (4256, 9373), (5047, 7904), (5096, 7828), (5356, 7448), (5768, 6916)]