2012821471388

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{789961331}}^1$

素因数の和:789961362

約数の個数: 36

約数和(自身を含む): 4412724000552

約数和(自身を除く): 2399902529164

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 789961331, 1579922662, 3159845324, 5529729317, 10269497303, 11059458634, 20538994606, 22118917268, 38708105219, 41077989212, 71886481121, 77416210438, 143772962242, 154832420876, 287545924484, 503205367847, 1006410735694, 2012821471388]

約数ペア:

[(1, 2012821471388), (2, 1006410735694), (4, 503205367847), (7, 287545924484), (13, 154832420876), (14, 143772962242), (26, 77416210438), (28, 71886481121), (49, 41077989212), (52, 38708105219), (91, 22118917268), (98, 20538994606), (182, 11059458634), (196, 10269497303), (364, 5529729317), (637, 3159845324), (1274, 1579922662), (2548, 789961331)]