81071256

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{739}}^1$

素因数の和:1408

約数の個数: 64

約数和(自身を含む): 232300800

約数和(自身を除く): 151229544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 653, 739, 1306, 1478, 1959, 2217, 2612, 2956, 3918, 4434, 4571, 5173, 5224, 5912, 7836, 8868, 9142, 10346, 13713, 15519, 15672, 17736, 18284, 20692, 27426, 31038, 36568, 41384, 54852, 62076, 109704, 124152, 482567, 965134, 1447701, 1930268, 2895402, 3377969, 3860536, 5790804, 6755938, 10133907, 11581608, 13511876, 20267814, 27023752, 40535628, 81071256]

約数ペア:

[(1, 81071256), (2, 40535628), (3, 27023752), (4, 20267814), (6, 13511876), (7, 11581608), (8, 10133907), (12, 6755938), (14, 5790804), (21, 3860536), (24, 3377969), (28, 2895402), (42, 1930268), (56, 1447701), (84, 965134), (168, 482567), (653, 124152), (739, 109704), (1306, 62076), (1478, 54852), (1959, 41384), (2217, 36568), (2612, 31038), (2956, 27426), (3918, 20692), (4434, 18284), (4571, 17736), (5173, 15672), (5224, 15519), (5912, 13713), (7836, 10346), (8868, 9142)]