15721287002

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1\times {\mathrm{8419}}^1$

素因数の和:8910

約数の個数: 32

約数和(自身を含む): 25063982400

約数和(自身を除く): 9342695398

約数列:

[1, 2, 19, 38, 157, 313, 314, 626, 2983, 5947, 5966, 8419, 11894, 16838, 49141, 98282, 159961, 319922, 933679, 1321783, 1867358, 2635147, 2643566, 5270294, 25113877, 50067793, 50227754, 100135586, 413718079, 827436158, 7860643501, 15721287002]

約数ペア:

[(1, 15721287002), (2, 7860643501), (19, 827436158), (38, 413718079), (157, 100135586), (313, 50227754), (314, 50067793), (626, 25113877), (2983, 5270294), (5947, 2643566), (5966, 2635147), (8419, 1867358), (11894, 1321783), (16838, 933679), (49141, 319922), (98282, 159961)]