287777428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{709}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 549642240

約数和(自身を除く): 261864812

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 127, 188, 254, 508, 709, 799, 1418, 1598, 2159, 2836, 3196, 4318, 5969, 8636, 11938, 12053, 23876, 24106, 33323, 48212, 66646, 90043, 101473, 133292, 180086, 202946, 360172, 405892, 566491, 1132982, 1530731, 2265964, 3061462, 4232021, 6122924, 8464042, 16928084, 71944357, 143888714, 287777428]

約数ペア:

[(1, 287777428), (2, 143888714), (4, 71944357), (17, 16928084), (34, 8464042), (47, 6122924), (68, 4232021), (94, 3061462), (127, 2265964), (188, 1530731), (254, 1132982), (508, 566491), (709, 405892), (799, 360172), (1418, 202946), (1598, 180086), (2159, 133292), (2836, 101473), (3196, 90043), (4318, 66646), (5969, 48212), (8636, 33323), (11938, 24106), (12053, 23876)]