209558555

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{5237}}^1$

素因数の和:5446

約数の個数: 16

約数和(自身を含む): 257961024

約数和(自身を除く): 48402469

約数列:

[1, 5, 53, 151, 265, 755, 5237, 8003, 26185, 40015, 277561, 790787, 1387805, 3953935, 41911711, 209558555]

約数ペア:

[(1, 209558555), (5, 41911711), (53, 3953935), (151, 1387805), (265, 790787), (755, 277561), (5237, 40015), (8003, 26185)]