788681404

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1\times {\mathrm{991}}^1$

素因数の和:1706

約数の個数: 48

約数和(自身を含む): 1618118656

約数和(自身を除く): 829437252

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 661, 991, 1204, 1322, 1982, 2644, 3964, 4627, 6937, 9254, 13874, 18508, 27748, 28423, 42613, 56846, 85226, 113692, 170452, 198961, 298291, 397922, 596582, 655051, 795844, 1193164, 1310102, 2620204, 4585357, 9170714, 18341428, 28167193, 56334386, 112668772, 197170351, 394340702, 788681404]

約数ペア:

[(1, 788681404), (2, 394340702), (4, 197170351), (7, 112668772), (14, 56334386), (28, 28167193), (43, 18341428), (86, 9170714), (172, 4585357), (301, 2620204), (602, 1310102), (661, 1193164), (991, 795844), (1204, 655051), (1322, 596582), (1982, 397922), (2644, 298291), (3964, 198961), (4627, 170452), (6937, 113692), (9254, 85226), (13874, 56846), (18508, 42613), (27748, 28423)]