389645816

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1\times {\mathrm{491}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 861511680

約数和(自身を除く): 471865864

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 383, 491, 518, 766, 982, 1036, 1532, 1964, 2072, 2681, 3064, 3437, 3928, 5362, 6874, 10724, 13748, 14171, 18167, 21448, 27496, 28342, 36334, 56684, 72668, 99197, 113368, 127169, 145336, 188053, 198394, 254338, 376106, 396788, 508676, 752212, 793576, 1017352, 1316371, 1504424, 2632742, 5265484, 6957961, 10530968, 13915922, 27831844, 48705727, 55663688, 97411454, 194822908, 389645816]

約数ペア:

[(1, 389645816), (2, 194822908), (4, 97411454), (7, 55663688), (8, 48705727), (14, 27831844), (28, 13915922), (37, 10530968), (56, 6957961), (74, 5265484), (148, 2632742), (259, 1504424), (296, 1316371), (383, 1017352), (491, 793576), (518, 752212), (766, 508676), (982, 396788), (1036, 376106), (1532, 254338), (1964, 198394), (2072, 188053), (2681, 145336), (3064, 127169), (3437, 113368), (3928, 99197), (5362, 72668), (6874, 56684), (10724, 36334), (13748, 28342), (14171, 27496), (18167, 21448)]