16311988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 35900928

約数和(自身を除く): 19588940

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 211, 251, 308, 422, 502, 844, 1004, 1477, 1757, 2321, 2761, 2954, 3514, 4642, 5522, 5908, 7028, 9284, 11044, 16247, 19327, 32494, 38654, 52961, 64988, 77308, 105922, 211844, 370727, 582571, 741454, 1165142, 1482908, 2330284, 4077997, 8155994, 16311988]

約数ペア:

[(1, 16311988), (2, 8155994), (4, 4077997), (7, 2330284), (11, 1482908), (14, 1165142), (22, 741454), (28, 582571), (44, 370727), (77, 211844), (154, 105922), (211, 77308), (251, 64988), (308, 52961), (422, 38654), (502, 32494), (844, 19327), (1004, 16247), (1477, 11044), (1757, 9284), (2321, 7028), (2761, 5908), (2954, 5522), (3514, 4642)]