206904906

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20563}}^1$

素因数の和:20627

約数の個数: 48

約数和(自身を含む): 494029536

約数和(自身を除く): 287124630

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 234, 258, 387, 559, 774, 1118, 1677, 3354, 5031, 10062, 20563, 41126, 61689, 123378, 185067, 267319, 370134, 534638, 801957, 884209, 1603914, 1768418, 2405871, 2652627, 4811742, 5305254, 7957881, 11494717, 15915762, 22989434, 34484151, 68968302, 103452453, 206904906]

約数ペア:

[(1, 206904906), (2, 103452453), (3, 68968302), (6, 34484151), (9, 22989434), (13, 15915762), (18, 11494717), (26, 7957881), (39, 5305254), (43, 4811742), (78, 2652627), (86, 2405871), (117, 1768418), (129, 1603914), (234, 884209), (258, 801957), (387, 534638), (559, 370134), (774, 267319), (1118, 185067), (1677, 123378), (3354, 61689), (5031, 41126), (10062, 20563)]