8640203

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 32

約数和(自身を含む): 11031552

約数和(自身を除く): 2391349

約数列:

[1, 11, 13, 23, 37, 71, 143, 253, 299, 407, 481, 781, 851, 923, 1633, 2627, 3289, 5291, 9361, 10153, 11063, 17963, 21229, 28897, 34151, 60421, 121693, 233519, 375661, 664631, 785473, 8640203]

約数ペア:

[(1, 8640203), (11, 785473), (13, 664631), (23, 375661), (37, 233519), (71, 121693), (143, 60421), (253, 34151), (299, 28897), (407, 21229), (481, 17963), (781, 11063), (851, 10153), (923, 9361), (1633, 5291), (2627, 3289)]