127936256

素因数分解:

$2^8\times 7^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:115

約数の個数: 144

約数和(自身を含む): 313958400

約数和(自身を除く): 186022144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 47, 49, 56, 62, 64, 94, 98, 112, 124, 128, 188, 196, 217, 224, 248, 256, 329, 343, 376, 392, 434, 448, 496, 658, 686, 752, 784, 868, 896, 992, 1316, 1372, 1457, 1504, 1519, 1568, 1736, 1792, 1984, 2303, 2632, 2744, 2914, 3008, 3038, 3136, 3472, 3968, 4606, 5264, 5488, 5828, 6016, 6076, 6272, 6944, 7936, 9212, 10199, 10528, 10633, 10976, 11656, 12032, 12152, 12544, 13888, 16121, 18424, 20398, 21056, 21266, 21952, 23312, 24304, 27776, 32242, 36848, 40796, 42112, 42532, 43904, 46624, 48608, 55552, 64484, 71393, 73696, 81592, 84224, 85064, 87808, 93248, 97216, 128968, 142786, 147392, 163184, 170128, 186496, 194432, 257936, 285572, 294784, 326368, 340256, 372992, 388864, 499751, 515872, 571144, 589568, 652736, 680512, 999502, 1031744, 1142288, 1305472, 1361024, 1999004, 2063488, 2284576, 2610944, 2722048, 3998008, 4126976, 4569152, 7996016, 9138304, 15992032, 18276608, 31984064, 63968128, 127936256]

約数ペア:

[(1, 127936256), (2, 63968128), (4, 31984064), (7, 18276608), (8, 15992032), (14, 9138304), (16, 7996016), (28, 4569152), (31, 4126976), (32, 3998008), (47, 2722048), (49, 2610944), (56, 2284576), (62, 2063488), (64, 1999004), (94, 1361024), (98, 1305472), (112, 1142288), (124, 1031744), (128, 999502), (188, 680512), (196, 652736), (217, 589568), (224, 571144), (248, 515872), (256, 499751), (329, 388864), (343, 372992), (376, 340256), (392, 326368), (434, 294784), (448, 285572), (496, 257936), (658, 194432), (686, 186496), (752, 170128), (784, 163184), (868, 147392), (896, 142786), (992, 128968), (1316, 97216), (1372, 93248), (1457, 87808), (1504, 85064), (1519, 84224), (1568, 81592), (1736, 73696), (1792, 71393), (1984, 64484), (2303, 55552), (2632, 48608), (2744, 46624), (2914, 43904), (3008, 42532), (3038, 42112), (3136, 40796), (3472, 36848), (3968, 32242), (4606, 27776), (5264, 24304), (5488, 23312), (5828, 21952), (6016, 21266), (6076, 21056), (6272, 20398), (6944, 18424), (7936, 16121), (9212, 13888), (10199, 12544), (10528, 12152), (10633, 12032), (10976, 11656)]