168797728

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{499}}^1$

素因数の和:582

約数の個数: 72

約数和(自身を含む): 375354000

約数和(自身を除く): 206556272

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 124, 176, 248, 341, 352, 496, 499, 682, 961, 992, 998, 1364, 1922, 1996, 2728, 3844, 3992, 5456, 5489, 7688, 7984, 10571, 10912, 10978, 15376, 15469, 15968, 21142, 21956, 30752, 30938, 42284, 43912, 61876, 84568, 87824, 123752, 169136, 170159, 175648, 247504, 338272, 340318, 479539, 495008, 680636, 959078, 1361272, 1918156, 2722544, 3836312, 5274929, 5445088, 7672624, 10549858, 15345248, 21099716, 42199432, 84398864, 168797728]

約数ペア:

[(1, 168797728), (2, 84398864), (4, 42199432), (8, 21099716), (11, 15345248), (16, 10549858), (22, 7672624), (31, 5445088), (32, 5274929), (44, 3836312), (62, 2722544), (88, 1918156), (124, 1361272), (176, 959078), (248, 680636), (341, 495008), (352, 479539), (496, 340318), (499, 338272), (682, 247504), (961, 175648), (992, 170159), (998, 169136), (1364, 123752), (1922, 87824), (1996, 84568), (2728, 61876), (3844, 43912), (3992, 42284), (5456, 30938), (5489, 30752), (7688, 21956), (7984, 21142), (10571, 15968), (10912, 15469), (10978, 15376)]