1995455

素因数分解:

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

素因数の和:167

約数の個数: 32

約数和(自身を含む): 3068928

約数和(自身を除く): 1073473

約数列:

[1, 5, 7, 11, 35, 55, 71, 73, 77, 355, 365, 385, 497, 511, 781, 803, 2485, 2555, 3905, 4015, 5183, 5467, 5621, 25915, 27335, 28105, 36281, 57013, 181405, 285065, 399091, 1995455]

約数ペア:

[(1, 1995455), (5, 399091), (7, 285065), (11, 181405), (35, 57013), (55, 36281), (71, 28105), (73, 27335), (77, 25915), (355, 5621), (365, 5467), (385, 5183), (497, 4015), (511, 3905), (781, 2555), (803, 2485)]