388889358

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{14621}}^1$

素因数の和:14681

約数の個数: 64

約数和(自身を含む): 943294464

約数和(自身を除く): 554405106

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 31, 33, 39, 62, 66, 78, 93, 143, 186, 286, 341, 403, 429, 682, 806, 858, 1023, 1209, 2046, 2418, 4433, 8866, 13299, 14621, 26598, 29242, 43863, 87726, 160831, 190073, 321662, 380146, 453251, 482493, 570219, 906502, 964986, 1140438, 1359753, 2090803, 2719506, 4181606, 4985761, 5892263, 6272409, 9971522, 11784526, 12544818, 14957283, 17676789, 29914566, 35353578, 64814893, 129629786, 194444679, 388889358]

約数ペア:

[(1, 388889358), (2, 194444679), (3, 129629786), (6, 64814893), (11, 35353578), (13, 29914566), (22, 17676789), (26, 14957283), (31, 12544818), (33, 11784526), (39, 9971522), (62, 6272409), (66, 5892263), (78, 4985761), (93, 4181606), (143, 2719506), (186, 2090803), (286, 1359753), (341, 1140438), (403, 964986), (429, 906502), (682, 570219), (806, 482493), (858, 453251), (1023, 380146), (1209, 321662), (2046, 190073), (2418, 160831), (4433, 87726), (8866, 43863), (13299, 29242), (14621, 26598)]