169990405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{23993}}^1$

素因数の和:24120

約数の個数: 16

約数和(自身を含む): 221704560

約数和(自身を除く): 51714155

約数列:

[1, 5, 13, 65, 109, 545, 1417, 7085, 23993, 119965, 311909, 1559545, 2615237, 13076185, 33998081, 169990405]

約数ペア:

[(1, 169990405), (5, 33998081), (13, 13076185), (65, 2615237), (109, 1559545), (545, 311909), (1417, 119965), (7085, 23993)]