991448784

素因数分解:

$2^4\times 3^2\times {\mathrm{313}}^1\times {\mathrm{21997}}^1$

素因数の和:22324

約数の個数: 60

約数和(自身を含む): 2783670916

約数和(自身を除く): 1792222132

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 313, 626, 939, 1252, 1878, 2504, 2817, 3756, 5008, 5634, 7512, 11268, 15024, 21997, 22536, 43994, 45072, 65991, 87988, 131982, 175976, 197973, 263964, 351952, 395946, 527928, 791892, 1055856, 1583784, 3167568, 6885061, 13770122, 20655183, 27540244, 41310366, 55080488, 61965549, 82620732, 110160976, 123931098, 165241464, 247862196, 330482928, 495724392, 991448784]

約数ペア:

[(1, 991448784), (2, 495724392), (3, 330482928), (4, 247862196), (6, 165241464), (8, 123931098), (9, 110160976), (12, 82620732), (16, 61965549), (18, 55080488), (24, 41310366), (36, 27540244), (48, 20655183), (72, 13770122), (144, 6885061), (313, 3167568), (626, 1583784), (939, 1055856), (1252, 791892), (1878, 527928), (2504, 395946), (2817, 351952), (3756, 263964), (5008, 197973), (5634, 175976), (7512, 131982), (11268, 87988), (15024, 65991), (21997, 45072), (22536, 43994)]