991577818

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{83621}}^1$

素因数の和:83659

約数の個数: 36

約数和(自身を含む): 1901815146

約数和(自身を除く): 910237328

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 121, 154, 242, 539, 847, 1078, 1694, 5929, 11858, 83621, 167242, 585347, 919831, 1170694, 1839662, 4097429, 6438817, 8194858, 10118141, 12877634, 20236282, 45071719, 70826987, 90143438, 141653974, 495788909, 991577818]

約数ペア:

[(1, 991577818), (2, 495788909), (7, 141653974), (11, 90143438), (14, 70826987), (22, 45071719), (49, 20236282), (77, 12877634), (98, 10118141), (121, 8194858), (154, 6438817), (242, 4097429), (539, 1839662), (847, 1170694), (1078, 919831), (1694, 585347), (5929, 167242), (11858, 83621)]