1287564410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{4021}}^1$

素因数の和:4151

約数の個数: 64

約数和(自身を含む): 2627106048

約数和(自身を除く): 1339541638

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 71, 82, 110, 142, 205, 355, 410, 451, 710, 781, 902, 1562, 2255, 2911, 3905, 4021, 4510, 5822, 7810, 8042, 14555, 20105, 29110, 32021, 40210, 44231, 64042, 88462, 160105, 164861, 221155, 285491, 320210, 329722, 442310, 570982, 824305, 1427455, 1648610, 1813471, 2854910, 3140401, 3626942, 6280802, 9067355, 11705131, 15702005, 18134710, 23410262, 31404010, 58525655, 117051310, 128756441, 257512882, 643782205, 1287564410]

約数ペア:

[(1, 1287564410), (2, 643782205), (5, 257512882), (10, 128756441), (11, 117051310), (22, 58525655), (41, 31404010), (55, 23410262), (71, 18134710), (82, 15702005), (110, 11705131), (142, 9067355), (205, 6280802), (355, 3626942), (410, 3140401), (451, 2854910), (710, 1813471), (781, 1648610), (902, 1427455), (1562, 824305), (2255, 570982), (2911, 442310), (3905, 329722), (4021, 320210), (4510, 285491), (5822, 221155), (7810, 164861), (8042, 160105), (14555, 88462), (20105, 64042), (29110, 44231), (32021, 40210)]