399152138

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:900

約数の個数: 72

約数和(自身を含む): 785179332

約数和(自身を除く): 386027194

約数列:

[1, 2, 7, 11, 14, 22, 41, 49, 77, 82, 98, 121, 154, 242, 287, 451, 539, 574, 821, 847, 902, 1078, 1642, 1694, 2009, 3157, 4018, 4961, 5747, 5929, 6314, 9031, 9922, 11494, 11858, 18062, 22099, 33661, 34727, 40229, 44198, 63217, 67322, 69454, 80458, 99341, 126434, 198682, 235627, 243089, 370271, 442519, 471254, 486178, 695387, 740542, 885038, 1390774, 1649389, 2591897, 3298778, 4072981, 4867709, 5183794, 8145962, 9735418, 18143279, 28510867, 36286558, 57021734, 199576069, 399152138]

約数ペア:

[(1, 399152138), (2, 199576069), (7, 57021734), (11, 36286558), (14, 28510867), (22, 18143279), (41, 9735418), (49, 8145962), (77, 5183794), (82, 4867709), (98, 4072981), (121, 3298778), (154, 2591897), (242, 1649389), (287, 1390774), (451, 885038), (539, 740542), (574, 695387), (821, 486178), (847, 471254), (902, 442519), (1078, 370271), (1642, 243089), (1694, 235627), (2009, 198682), (3157, 126434), (4018, 99341), (4961, 80458), (5747, 69454), (5929, 67322), (6314, 63217), (9031, 44198), (9922, 40229), (11494, 34727), (11858, 33661), (18062, 22099)]