65872015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{13457}}^1$

素因数の和:13562

約数の個数: 16

約数和(自身を含む): 87207840

約数和(自身を除く): 21335825

約数列:

[1, 5, 11, 55, 89, 445, 979, 4895, 13457, 67285, 148027, 740135, 1197673, 5988365, 13174403, 65872015]

約数ペア:

[(1, 65872015), (5, 13174403), (11, 5988365), (55, 1197673), (89, 740135), (445, 148027), (979, 67285), (4895, 13457)]