636960032

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{12511}}^1$

素因数の和:12601

約数の個数: 48

約数和(自身を含む): 1317964032

約数和(自身を除く): 681004000

約数列:

[1, 2, 4, 8, 16, 32, 37, 43, 74, 86, 148, 172, 296, 344, 592, 688, 1184, 1376, 1591, 3182, 6364, 12511, 12728, 25022, 25456, 50044, 50912, 100088, 200176, 400352, 462907, 537973, 925814, 1075946, 1851628, 2151892, 3703256, 4303784, 7406512, 8607568, 14813024, 17215136, 19905001, 39810002, 79620004, 159240008, 318480016, 636960032]

約数ペア:

[(1, 636960032), (2, 318480016), (4, 159240008), (8, 79620004), (16, 39810002), (32, 19905001), (37, 17215136), (43, 14813024), (74, 8607568), (86, 7406512), (148, 4303784), (172, 3703256), (296, 2151892), (344, 1851628), (592, 1075946), (688, 925814), (1184, 537973), (1376, 462907), (1591, 400352), (3182, 200176), (6364, 100088), (12511, 50912), (12728, 50044), (25022, 25456)]