257811228

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{125639}}^1$

素因数の和:125671

約数の個数: 48

約数和(自身を含む): 703584000

約数和(自身を除く): 445772772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 125639, 251278, 376917, 502556, 753834, 1130751, 1507668, 2261502, 2387141, 3392253, 4523004, 4774282, 6784506, 7161423, 9548564, 13569012, 14322846, 21484269, 28645692, 42968538, 64452807, 85937076, 128905614, 257811228]

約数ペア:

[(1, 257811228), (2, 128905614), (3, 85937076), (4, 64452807), (6, 42968538), (9, 28645692), (12, 21484269), (18, 14322846), (19, 13569012), (27, 9548564), (36, 7161423), (38, 6784506), (54, 4774282), (57, 4523004), (76, 3392253), (108, 2387141), (114, 2261502), (171, 1507668), (228, 1130751), (342, 753834), (513, 502556), (684, 376917), (1026, 251278), (2052, 125639)]