28435484

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^3\times {\mathrm{109}}^1$

素因数の和:160

約数の個数: 72

約数和(自身を含む): 64254960

約数和(自身を除く): 35819476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 109, 121, 154, 196, 218, 242, 308, 436, 484, 539, 763, 847, 1078, 1199, 1331, 1526, 1694, 2156, 2398, 2662, 3052, 3388, 4796, 5324, 5341, 5929, 8393, 9317, 10682, 11858, 13189, 16786, 18634, 21364, 23716, 26378, 33572, 37268, 52756, 58751, 65219, 92323, 117502, 130438, 145079, 184646, 235004, 260876, 290158, 369292, 580316, 646261, 1015553, 1292522, 2031106, 2585044, 4062212, 7108871, 14217742, 28435484]

約数ペア:

[(1, 28435484), (2, 14217742), (4, 7108871), (7, 4062212), (11, 2585044), (14, 2031106), (22, 1292522), (28, 1015553), (44, 646261), (49, 580316), (77, 369292), (98, 290158), (109, 260876), (121, 235004), (154, 184646), (196, 145079), (218, 130438), (242, 117502), (308, 92323), (436, 65219), (484, 58751), (539, 52756), (763, 37268), (847, 33572), (1078, 26378), (1199, 23716), (1331, 21364), (1526, 18634), (1694, 16786), (2156, 13189), (2398, 11858), (2662, 10682), (3052, 9317), (3388, 8393), (4796, 5929), (5324, 5341)]