216911929

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1\times {\mathrm{853}}^1$

素因数の和:1528

約数の個数: 16

約数和(自身を含む): 241798144

約数和(自身を除く): 24886215

約数列:

[1, 13, 31, 403, 631, 853, 8203, 11089, 19561, 26443, 254293, 343759, 538243, 6997159, 16685533, 216911929]

約数ペア:

[(1, 216911929), (13, 16685533), (31, 6997159), (403, 538243), (631, 343759), (853, 254293), (8203, 26443), (11089, 19561)]