71491456

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 150796800

約数和(自身を除く): 79305344

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 64, 86, 124, 128, 172, 248, 344, 419, 496, 688, 838, 992, 1333, 1376, 1676, 1984, 2666, 2752, 3352, 3968, 5332, 5504, 6704, 10664, 12989, 13408, 18017, 21328, 25978, 26816, 36034, 42656, 51956, 53632, 72068, 85312, 103912, 144136, 170624, 207824, 288272, 415648, 558527, 576544, 831296, 1117054, 1153088, 1662592, 2234108, 2306176, 4468216, 8936432, 17872864, 35745728, 71491456]

約数ペア:

[(1, 71491456), (2, 35745728), (4, 17872864), (8, 8936432), (16, 4468216), (31, 2306176), (32, 2234108), (43, 1662592), (62, 1153088), (64, 1117054), (86, 831296), (124, 576544), (128, 558527), (172, 415648), (248, 288272), (344, 207824), (419, 170624), (496, 144136), (688, 103912), (838, 85312), (992, 72068), (1333, 53632), (1376, 51956), (1676, 42656), (1984, 36034), (2666, 26816), (2752, 25978), (3352, 21328), (3968, 18017), (5332, 13408), (5504, 12989), (6704, 10664)]