78848890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{1033}}^1$

素因数の和:1506

約数の個数: 32

約数和(自身を含む): 150757200

約数和(自身を除く): 71908310

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 449, 898, 1033, 2066, 2245, 4490, 5165, 7633, 10330, 15266, 17561, 35122, 38165, 76330, 87805, 175610, 463817, 927634, 2319085, 4638170, 7884889, 15769778, 39424445, 78848890]

約数ペア:

[(1, 78848890), (2, 39424445), (5, 15769778), (10, 7884889), (17, 4638170), (34, 2319085), (85, 927634), (170, 463817), (449, 175610), (898, 87805), (1033, 76330), (2066, 38165), (2245, 35122), (4490, 17561), (5165, 15266), (7633, 10330)]