721569186

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{6689}}^1$

素因数の和:7171

約数の個数: 48

約数和(自身を含む): 1687565880

約数和(自身を除く): 965996694

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 461, 922, 1383, 2766, 4149, 5993, 6689, 8298, 11986, 13378, 17979, 20067, 35958, 40134, 53937, 60201, 86957, 107874, 120402, 173914, 260871, 521742, 782613, 1565226, 3083629, 6167258, 9250887, 18501774, 27752661, 40087177, 55505322, 80174354, 120261531, 240523062, 360784593, 721569186]

約数ペア:

[(1, 721569186), (2, 360784593), (3, 240523062), (6, 120261531), (9, 80174354), (13, 55505322), (18, 40087177), (26, 27752661), (39, 18501774), (78, 9250887), (117, 6167258), (234, 3083629), (461, 1565226), (922, 782613), (1383, 521742), (2766, 260871), (4149, 173914), (5993, 120402), (6689, 107874), (8298, 86957), (11986, 60201), (13378, 53937), (17979, 40134), (20067, 35958)]