1278855378

素因数分解:

$2^1\times 3^4\times {\mathrm{149}}^1\times {\mathrm{52981}}^1$

素因数の和:53144

約数の個数: 40

約数和(自身を含む): 2884869900

約数和(自身を除く): 1606014522

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 149, 162, 298, 447, 894, 1341, 2682, 4023, 8046, 12069, 24138, 52981, 105962, 158943, 317886, 476829, 953658, 1430487, 2860974, 4291461, 7894169, 8582922, 15788338, 23682507, 47365014, 71047521, 142095042, 213142563, 426285126, 639427689, 1278855378]

約数ペア:

[(1, 1278855378), (2, 639427689), (3, 426285126), (6, 213142563), (9, 142095042), (18, 71047521), (27, 47365014), (54, 23682507), (81, 15788338), (149, 8582922), (162, 7894169), (298, 4291461), (447, 2860974), (894, 1430487), (1341, 953658), (2682, 476829), (4023, 317886), (8046, 158943), (12069, 105962), (24138, 52981)]