78405656

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{26417}}^1$

素因数の和:26483

約数の個数: 32

約数和(自身を含む): 171188640

約数和(自身を除く): 92782984

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 26417, 52834, 105668, 184919, 211336, 369838, 739676, 1400101, 1479352, 2800202, 5600404, 9800707, 11200808, 19601414, 39202828, 78405656]

約数ペア:

[(1, 78405656), (2, 39202828), (4, 19601414), (7, 11200808), (8, 9800707), (14, 5600404), (28, 2800202), (53, 1479352), (56, 1400101), (106, 739676), (212, 369838), (371, 211336), (424, 184919), (742, 105668), (1484, 52834), (2968, 26417)]