13139945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28879}}^1$

素因数の和:28904

約数の個数: 16

約数和(自身を含む): 19407360

約数和(自身を除く): 6267415

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 28879, 144395, 202153, 375427, 1010765, 1877135, 2627989, 13139945]

約数ペア:

[(1, 13139945), (5, 2627989), (7, 1877135), (13, 1010765), (35, 375427), (65, 202153), (91, 144395), (455, 28879)]