721152904

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{36217}}^1$

素因数の和:36373

約数の個数: 32

約数和(自身を含む): 1434232800

約数和(自身を除く): 713079896

約数列:

[1, 2, 4, 8, 19, 38, 76, 131, 152, 262, 524, 1048, 2489, 4978, 9956, 19912, 36217, 72434, 144868, 289736, 688123, 1376246, 2752492, 4744427, 5504984, 9488854, 18977708, 37955416, 90144113, 180288226, 360576452, 721152904]

約数ペア:

[(1, 721152904), (2, 360576452), (4, 180288226), (8, 90144113), (19, 37955416), (38, 18977708), (76, 9488854), (131, 5504984), (152, 4744427), (262, 2752492), (524, 1376246), (1048, 688123), (2489, 289736), (4978, 144868), (9956, 72434), (19912, 36217)]