81431672

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{39301}}^1$

素因数の和:39351

約数の個数: 32

約数和(自身を含む): 179217120

約数和(自身を除く): 97785448

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 39301, 78602, 157204, 275107, 314408, 550214, 1100428, 1454137, 2200856, 2908274, 5816548, 10178959, 11633096, 20357918, 40715836, 81431672]

約数ペア:

[(1, 81431672), (2, 40715836), (4, 20357918), (7, 11633096), (8, 10178959), (14, 5816548), (28, 2908274), (37, 2200856), (56, 1454137), (74, 1100428), (148, 550214), (259, 314408), (296, 275107), (518, 157204), (1036, 78602), (2072, 39301)]