212112128

素因数分解:

$2^8\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 108

約数和(自身を含む): 466865952

約数和(自身を除く): 254753824

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 47, 61, 64, 68, 94, 122, 128, 136, 188, 244, 256, 272, 289, 376, 488, 544, 578, 752, 799, 976, 1037, 1088, 1156, 1504, 1598, 1952, 2074, 2176, 2312, 2867, 3008, 3196, 3904, 4148, 4352, 4624, 5734, 6016, 6392, 7808, 8296, 9248, 11468, 12032, 12784, 13583, 15616, 16592, 17629, 18496, 22936, 25568, 27166, 33184, 35258, 36992, 45872, 48739, 51136, 54332, 66368, 70516, 73984, 91744, 97478, 102272, 108664, 132736, 141032, 183488, 194956, 204544, 217328, 265472, 282064, 366976, 389912, 434656, 564128, 733952, 779824, 828563, 869312, 1128256, 1559648, 1657126, 1738624, 2256512, 3119296, 3314252, 3477248, 4513024, 6238592, 6628504, 12477184, 13257008, 26514016, 53028032, 106056064, 212112128]

約数ペア:

[(1, 212112128), (2, 106056064), (4, 53028032), (8, 26514016), (16, 13257008), (17, 12477184), (32, 6628504), (34, 6238592), (47, 4513024), (61, 3477248), (64, 3314252), (68, 3119296), (94, 2256512), (122, 1738624), (128, 1657126), (136, 1559648), (188, 1128256), (244, 869312), (256, 828563), (272, 779824), (289, 733952), (376, 564128), (488, 434656), (544, 389912), (578, 366976), (752, 282064), (799, 265472), (976, 217328), (1037, 204544), (1088, 194956), (1156, 183488), (1504, 141032), (1598, 132736), (1952, 108664), (2074, 102272), (2176, 97478), (2312, 91744), (2867, 73984), (3008, 70516), (3196, 66368), (3904, 54332), (4148, 51136), (4352, 48739), (4624, 45872), (5734, 36992), (6016, 35258), (6392, 33184), (7808, 27166), (8296, 25568), (9248, 22936), (11468, 18496), (12032, 17629), (12784, 16592), (13583, 15616)]