81428364

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{14407}}^1$

素因数の和:14574

約数の個数: 36

約数和(自身を含む): 207158224

約数和(自身を除く): 125729860

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 5652, 14407, 28814, 43221, 57628, 86442, 129663, 172884, 259326, 518652, 2261899, 4523798, 6785697, 9047596, 13571394, 20357091, 27142788, 40714182, 81428364]

約数ペア:

[(1, 81428364), (2, 40714182), (3, 27142788), (4, 20357091), (6, 13571394), (9, 9047596), (12, 6785697), (18, 4523798), (36, 2261899), (157, 518652), (314, 259326), (471, 172884), (628, 129663), (942, 86442), (1413, 57628), (1884, 43221), (2826, 28814), (5652, 14407)]