13968185

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 21866112

約数和(自身を除く): 7897927

約数列:

[1, 5, 7, 11, 35, 49, 55, 71, 73, 77, 245, 355, 365, 385, 497, 511, 539, 781, 803, 2485, 2555, 2695, 3479, 3577, 3905, 4015, 5183, 5467, 5621, 17395, 17885, 25915, 27335, 28105, 36281, 38269, 39347, 57013, 181405, 191345, 196735, 253967, 285065, 399091, 1269835, 1995455, 2793637, 13968185]

約数ペア:

[(1, 13968185), (5, 2793637), (7, 1995455), (11, 1269835), (35, 399091), (49, 285065), (55, 253967), (71, 196735), (73, 191345), (77, 181405), (245, 57013), (355, 39347), (365, 38269), (385, 36281), (497, 28105), (511, 27335), (539, 25915), (781, 17885), (803, 17395), (2485, 5621), (2555, 5467), (2695, 5183), (3479, 4015), (3577, 3905)]