16731988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1069}}^1$

素因数の和:1136

約数の個数: 48

約数和(自身を含む): 36910720

約数和(自身を除く): 20178732

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 172, 182, 301, 364, 559, 602, 1069, 1118, 1204, 2138, 2236, 3913, 4276, 7483, 7826, 13897, 14966, 15652, 27794, 29932, 45967, 55588, 91934, 97279, 183868, 194558, 321769, 389116, 597571, 643538, 1195142, 1287076, 2390284, 4182997, 8365994, 16731988]

約数ペア:

[(1, 16731988), (2, 8365994), (4, 4182997), (7, 2390284), (13, 1287076), (14, 1195142), (26, 643538), (28, 597571), (43, 389116), (52, 321769), (86, 194558), (91, 183868), (172, 97279), (182, 91934), (301, 55588), (364, 45967), (559, 29932), (602, 27794), (1069, 15652), (1118, 14966), (1204, 13897), (2138, 7826), (2236, 7483), (3913, 4276)]