1213305044

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1\times {\mathrm{1999}}^1$

素因数の和:2472

約数の個数: 48

約数和(自身を含む): 2479680000

約数和(自身を除く): 1266374956

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 409, 742, 818, 1484, 1636, 1999, 2863, 3998, 5726, 7996, 11452, 13993, 21677, 27986, 43354, 55972, 86708, 105947, 151739, 211894, 303478, 423788, 606956, 741629, 817591, 1483258, 1635182, 2966516, 3270364, 5723137, 11446274, 22892548, 43332323, 86664646, 173329292, 303326261, 606652522, 1213305044]

約数ペア:

[(1, 1213305044), (2, 606652522), (4, 303326261), (7, 173329292), (14, 86664646), (28, 43332323), (53, 22892548), (106, 11446274), (212, 5723137), (371, 3270364), (409, 2966516), (742, 1635182), (818, 1483258), (1484, 817591), (1636, 741629), (1999, 606956), (2863, 423788), (3998, 303478), (5726, 211894), (7996, 151739), (11452, 105947), (13993, 86708), (21677, 55972), (27986, 43354)]