1288975038

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{232751}}^1$

素因数の和:232840

約数の個数: 32

約数和(自身を含む): 2815368192

約数和(自身を除く): 1526393154

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 5538, 232751, 465502, 698253, 1396506, 3025763, 6051526, 9077289, 16525321, 18154578, 33050642, 49575963, 99151926, 214829173, 429658346, 644487519, 1288975038]

約数ペア:

[(1, 1288975038), (2, 644487519), (3, 429658346), (6, 214829173), (13, 99151926), (26, 49575963), (39, 33050642), (71, 18154578), (78, 16525321), (142, 9077289), (213, 6051526), (426, 3025763), (923, 1396506), (1846, 698253), (2769, 465502), (5538, 232751)]