268742878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{613}}^1$

素因数の和:856

約数の個数: 32

約数和(自身を含む): 433238400

約数和(自身を除く): 164495522

約数列:

[1, 2, 19, 38, 83, 139, 166, 278, 613, 1226, 1577, 2641, 3154, 5282, 11537, 11647, 23074, 23294, 50879, 85207, 101758, 170414, 219203, 438406, 966701, 1618933, 1933402, 3237866, 7072181, 14144362, 134371439, 268742878]

約数ペア:

[(1, 268742878), (2, 134371439), (19, 14144362), (38, 7072181), (83, 3237866), (139, 1933402), (166, 1618933), (278, 966701), (613, 438406), (1226, 219203), (1577, 170414), (2641, 101758), (3154, 85207), (5282, 50879), (11537, 23294), (11647, 23074)]