388807548

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^2$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 974058624

約数和(自身を除く): 585251076

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 181, 258, 276, 362, 516, 543, 724, 989, 1086, 1978, 2172, 2967, 3956, 4163, 5934, 7783, 8326, 11868, 12489, 15566, 16652, 23349, 24978, 31132, 32761, 46698, 49956, 65522, 93396, 98283, 131044, 179009, 196566, 358018, 393132, 537027, 716036, 753503, 1074054, 1408723, 1507006, 2148108, 2260509, 2817446, 3014012, 4226169, 4521018, 5634892, 8452338, 9042036, 16904676, 32400629, 64801258, 97201887, 129602516, 194403774, 388807548]

約数ペア:

[(1, 388807548), (2, 194403774), (3, 129602516), (4, 97201887), (6, 64801258), (12, 32400629), (23, 16904676), (43, 9042036), (46, 8452338), (69, 5634892), (86, 4521018), (92, 4226169), (129, 3014012), (138, 2817446), (172, 2260509), (181, 2148108), (258, 1507006), (276, 1408723), (362, 1074054), (516, 753503), (543, 716036), (724, 537027), (989, 393132), (1086, 358018), (1978, 196566), (2172, 179009), (2967, 131044), (3956, 98283), (4163, 93396), (5934, 65522), (7783, 49956), (8326, 46698), (11868, 32761), (12489, 31132), (15566, 24978), (16652, 23349)]