78661921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1291}}^1$

素因数の和:1456

約数の個数: 16

約数和(自身を含む): 87545920

約数和(自身を除く): 8883999

約数列:

[1, 13, 43, 109, 559, 1291, 1417, 4687, 16783, 55513, 60931, 140719, 721669, 1829347, 6050917, 78661921]

約数ペア:

[(1, 78661921), (13, 6050917), (43, 1829347), (109, 721669), (559, 140719), (1291, 60931), (1417, 55513), (4687, 16783)]