256436464

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{27211}}^1$

素因数の和:27269

約数の個数: 40

約数和(自身を含む): 539886080

約数和(自身を除く): 283449616

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 27211, 54422, 108844, 217688, 435376, 517009, 843541, 1034018, 1687082, 2068036, 3374164, 4136072, 6748328, 8272144, 13496656, 16027279, 32054558, 64109116, 128218232, 256436464]

約数ペア:

[(1, 256436464), (2, 128218232), (4, 64109116), (8, 32054558), (16, 16027279), (19, 13496656), (31, 8272144), (38, 6748328), (62, 4136072), (76, 3374164), (124, 2068036), (152, 1687082), (248, 1034018), (304, 843541), (496, 517009), (589, 435376), (1178, 217688), (2356, 108844), (4712, 54422), (9424, 27211)]