71516224

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2067

約数の個数: 56

約数和(自身を含む): 156464000

約数和(自身を除く): 84947776

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 172, 208, 344, 416, 559, 688, 832, 1118, 1376, 1999, 2236, 2752, 3998, 4472, 7996, 8944, 15992, 17888, 25987, 31984, 35776, 51974, 63968, 85957, 103948, 127936, 171914, 207896, 343828, 415792, 687656, 831584, 1117441, 1375312, 1663168, 2234882, 2750624, 4469764, 5501248, 8939528, 17879056, 35758112, 71516224]

約数ペア:

[(1, 71516224), (2, 35758112), (4, 17879056), (8, 8939528), (13, 5501248), (16, 4469764), (26, 2750624), (32, 2234882), (43, 1663168), (52, 1375312), (64, 1117441), (86, 831584), (104, 687656), (172, 415792), (208, 343828), (344, 207896), (416, 171914), (559, 127936), (688, 103948), (832, 85957), (1118, 63968), (1376, 51974), (1999, 35776), (2236, 31984), (2752, 25987), (3998, 17888), (4472, 15992), (7996, 8944)]