307528991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{317}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 394910208

約数和(自身を除く): 87381217

約数列:

[1, 7, 11, 43, 77, 293, 301, 317, 473, 2051, 2219, 3223, 3311, 3487, 12599, 13631, 22561, 24409, 88193, 92881, 95417, 138589, 149941, 650167, 970123, 1021691, 1049587, 3993883, 7151837, 27957181, 43932713, 307528991]

約数ペア:

[(1, 307528991), (7, 43932713), (11, 27957181), (43, 7151837), (77, 3993883), (293, 1049587), (301, 1021691), (317, 970123), (473, 650167), (2051, 149941), (2219, 138589), (3223, 95417), (3311, 92881), (3487, 88193), (12599, 24409), (13631, 22561)]