256862144

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1109}}^1$

素因数の和:1186

約数の個数: 112

約数和(自身を含む): 649589760

約数和(自身を除く): 392727616

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 47, 56, 64, 77, 88, 94, 112, 154, 176, 188, 224, 308, 329, 352, 376, 448, 517, 616, 658, 704, 752, 1034, 1109, 1232, 1316, 1504, 2068, 2218, 2464, 2632, 3008, 3619, 4136, 4436, 4928, 5264, 7238, 7763, 8272, 8872, 10528, 12199, 14476, 15526, 16544, 17744, 21056, 24398, 28952, 31052, 33088, 35488, 48796, 52123, 57904, 62104, 70976, 85393, 97592, 104246, 115808, 124208, 170786, 195184, 208492, 231616, 248416, 341572, 364861, 390368, 416984, 496832, 573353, 683144, 729722, 780736, 833968, 1146706, 1366288, 1459444, 1667936, 2293412, 2732576, 2918888, 3335872, 4013471, 4586824, 5465152, 5837776, 8026942, 9173648, 11675552, 16053884, 18347296, 23351104, 32107768, 36694592, 64215536, 128431072, 256862144]

約数ペア:

[(1, 256862144), (2, 128431072), (4, 64215536), (7, 36694592), (8, 32107768), (11, 23351104), (14, 18347296), (16, 16053884), (22, 11675552), (28, 9173648), (32, 8026942), (44, 5837776), (47, 5465152), (56, 4586824), (64, 4013471), (77, 3335872), (88, 2918888), (94, 2732576), (112, 2293412), (154, 1667936), (176, 1459444), (188, 1366288), (224, 1146706), (308, 833968), (329, 780736), (352, 729722), (376, 683144), (448, 573353), (517, 496832), (616, 416984), (658, 390368), (704, 364861), (752, 341572), (1034, 248416), (1109, 231616), (1232, 208492), (1316, 195184), (1504, 170786), (2068, 124208), (2218, 115808), (2464, 104246), (2632, 97592), (3008, 85393), (3619, 70976), (4136, 62104), (4436, 57904), (4928, 52123), (5264, 48796), (7238, 35488), (7763, 33088), (8272, 31052), (8872, 28952), (10528, 24398), (12199, 21056), (14476, 17744), (15526, 16544)]