16789405

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1301}}^1$

素因数の和:1424

約数の個数: 16

約数和(自身を含む): 21092400

約数和(自身を除く): 4302995

約数列:

[1, 5, 29, 89, 145, 445, 1301, 2581, 6505, 12905, 37729, 115789, 188645, 578945, 3357881, 16789405]

約数ペア:

[(1, 16789405), (5, 3357881), (29, 578945), (89, 188645), (145, 115789), (445, 37729), (1301, 12905), (2581, 6505)]