331338007

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19471}}^1$

素因数の和:19519

約数の個数: 32

約数和(自身を含む): 471066624

約数和(自身を除く): 139728617

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 1001, 1309, 1547, 2431, 17017, 19471, 136297, 214181, 253123, 331007, 1499267, 1771861, 2317049, 2784353, 3641077, 4303091, 19490471, 25487539, 30121637, 47334001, 331338007]

約数ペア:

[(1, 331338007), (7, 47334001), (11, 30121637), (13, 25487539), (17, 19490471), (77, 4303091), (91, 3641077), (119, 2784353), (143, 2317049), (187, 1771861), (221, 1499267), (1001, 331007), (1309, 253123), (1547, 214181), (2431, 136297), (17017, 19471)]