256776

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 692160

約数和(自身を除く): 435384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 823, 1646, 2469, 3292, 4938, 6584, 9876, 10699, 19752, 21398, 32097, 42796, 64194, 85592, 128388, 256776]

約数ペア:

[(1, 256776), (2, 128388), (3, 85592), (4, 64194), (6, 42796), (8, 32097), (12, 21398), (13, 19752), (24, 10699), (26, 9876), (39, 6584), (52, 4938), (78, 3292), (104, 2469), (156, 1646), (312, 823)]