3987997

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:228

約数の個数: 16

約数和(自身を含む): 4499712

約数和(自身を除く): 511715

約数列:

[1, 13, 47, 61, 107, 611, 793, 1391, 2867, 5029, 6527, 37271, 65377, 84851, 306769, 3987997]

約数ペア:

[(1, 3987997), (13, 306769), (47, 84851), (61, 65377), (107, 37271), (611, 6527), (793, 5029), (1391, 2867)]