128977408

素因数分解:

$2^9\times 7^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:182

約数の個数: 120

約数和(自身を含む): 308581812

約数和(自身を除く): 179604404

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 53, 56, 64, 97, 98, 106, 112, 128, 194, 196, 212, 224, 256, 371, 388, 392, 424, 448, 512, 679, 742, 776, 784, 848, 896, 1358, 1484, 1552, 1568, 1696, 1792, 2597, 2716, 2968, 3104, 3136, 3392, 3584, 4753, 5141, 5194, 5432, 5936, 6208, 6272, 6784, 9506, 10282, 10388, 10864, 11872, 12416, 12544, 13568, 19012, 20564, 20776, 21728, 23744, 24832, 25088, 27136, 35987, 38024, 41128, 41552, 43456, 47488, 49664, 71974, 76048, 82256, 83104, 86912, 94976, 143948, 152096, 164512, 166208, 173824, 189952, 251909, 287896, 304192, 329024, 332416, 347648, 503818, 575792, 608384, 658048, 664832, 1007636, 1151584, 1216768, 1316096, 1329664, 2015272, 2303168, 2433536, 2632192, 4030544, 4606336, 8061088, 9212672, 16122176, 18425344, 32244352, 64488704, 128977408]

約数ペア:

[(1, 128977408), (2, 64488704), (4, 32244352), (7, 18425344), (8, 16122176), (14, 9212672), (16, 8061088), (28, 4606336), (32, 4030544), (49, 2632192), (53, 2433536), (56, 2303168), (64, 2015272), (97, 1329664), (98, 1316096), (106, 1216768), (112, 1151584), (128, 1007636), (194, 664832), (196, 658048), (212, 608384), (224, 575792), (256, 503818), (371, 347648), (388, 332416), (392, 329024), (424, 304192), (448, 287896), (512, 251909), (679, 189952), (742, 173824), (776, 166208), (784, 164512), (848, 152096), (896, 143948), (1358, 94976), (1484, 86912), (1552, 83104), (1568, 82256), (1696, 76048), (1792, 71974), (2597, 49664), (2716, 47488), (2968, 43456), (3104, 41552), (3136, 41128), (3392, 38024), (3584, 35987), (4753, 27136), (5141, 25088), (5194, 24832), (5432, 23744), (5936, 21728), (6208, 20776), (6272, 20564), (6784, 19012), (9506, 13568), (10282, 12544), (10388, 12416), (10864, 11872)]