278382208

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{757}}^1$

素因数の和:814

約数の個数: 96

約数和(自身を含む): 636697260

約数和(自身を除く): 358315052

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 169, 208, 221, 272, 338, 416, 442, 544, 676, 757, 832, 884, 1088, 1352, 1514, 1664, 1768, 2176, 2704, 2873, 3028, 3536, 5408, 5746, 6056, 7072, 9841, 10816, 11492, 12112, 12869, 14144, 19682, 21632, 22984, 24224, 25738, 28288, 39364, 45968, 48448, 51476, 78728, 91936, 96896, 102952, 127933, 157456, 167297, 183872, 205904, 255866, 314912, 334594, 367744, 411808, 511732, 629824, 669188, 823616, 1023464, 1259648, 1338376, 1647232, 2046928, 2174861, 2676752, 4093856, 4349722, 5353504, 8187712, 8699444, 10707008, 16375424, 17398888, 21414016, 34797776, 69595552, 139191104, 278382208]

約数ペア:

[(1, 278382208), (2, 139191104), (4, 69595552), (8, 34797776), (13, 21414016), (16, 17398888), (17, 16375424), (26, 10707008), (32, 8699444), (34, 8187712), (52, 5353504), (64, 4349722), (68, 4093856), (104, 2676752), (128, 2174861), (136, 2046928), (169, 1647232), (208, 1338376), (221, 1259648), (272, 1023464), (338, 823616), (416, 669188), (442, 629824), (544, 511732), (676, 411808), (757, 367744), (832, 334594), (884, 314912), (1088, 255866), (1352, 205904), (1514, 183872), (1664, 167297), (1768, 157456), (2176, 127933), (2704, 102952), (2873, 96896), (3028, 91936), (3536, 78728), (5408, 51476), (5746, 48448), (6056, 45968), (7072, 39364), (9841, 28288), (10816, 25738), (11492, 24224), (12112, 22984), (12869, 21632), (14144, 19682)]