821689808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{25261}}^1$

素因数の和:25395

約数の個数: 40

約数和(自身を含む): 1691543520

約数和(自身を除く): 869853712

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 107, 152, 214, 304, 428, 856, 1712, 2033, 4066, 8132, 16264, 25261, 32528, 50522, 101044, 202088, 404176, 479959, 959918, 1919836, 2702927, 3839672, 5405854, 7679344, 10811708, 21623416, 43246832, 51355613, 102711226, 205422452, 410844904, 821689808]

約数ペア:

[(1, 821689808), (2, 410844904), (4, 205422452), (8, 102711226), (16, 51355613), (19, 43246832), (38, 21623416), (76, 10811708), (107, 7679344), (152, 5405854), (214, 3839672), (304, 2702927), (428, 1919836), (856, 959918), (1712, 479959), (2033, 404176), (4066, 202088), (8132, 101044), (16264, 50522), (25261, 32528)]