27751628

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 53625600

約数和(自身を除く): 25873972

約数列:

[1, 2, 4, 19, 37, 38, 71, 74, 76, 139, 142, 148, 278, 284, 556, 703, 1349, 1406, 2627, 2641, 2698, 2812, 5143, 5254, 5282, 5396, 9869, 10286, 10508, 10564, 19738, 20572, 39476, 49913, 97717, 99826, 187511, 195434, 199652, 365153, 375022, 390868, 730306, 750044, 1460612, 6937907, 13875814, 27751628]

約数ペア:

[(1, 27751628), (2, 13875814), (4, 6937907), (19, 1460612), (37, 750044), (38, 730306), (71, 390868), (74, 375022), (76, 365153), (139, 199652), (142, 195434), (148, 187511), (278, 99826), (284, 97717), (556, 49913), (703, 39476), (1349, 20572), (1406, 19738), (2627, 10564), (2641, 10508), (2698, 10286), (2812, 9869), (5143, 5396), (5254, 5282)]