255728664

素因数分解:

$2^3\times 3^4\times {\mathrm{394643}}^1$

素因数の和:394661

約数の個数: 40

約数和(自身を含む): 716278860

約数和(自身を除く): 460550196

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 394643, 789286, 1183929, 1578572, 2367858, 3157144, 3551787, 4735716, 7103574, 9471432, 10655361, 14207148, 21310722, 28414296, 31966083, 42621444, 63932166, 85242888, 127864332, 255728664]

約数ペア:

[(1, 255728664), (2, 127864332), (3, 85242888), (4, 63932166), (6, 42621444), (8, 31966083), (9, 28414296), (12, 21310722), (18, 14207148), (24, 10655361), (27, 9471432), (36, 7103574), (54, 4735716), (72, 3551787), (81, 3157144), (108, 2367858), (162, 1578572), (216, 1183929), (324, 789286), (648, 394643)]