256947516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{859}}^1\times {\mathrm{1187}}^1$

素因数の和:2063

約数の個数: 72

約数和(自身を含む): 743783040

約数和(自身を除く): 486835524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 859, 1187, 1718, 2374, 2577, 3436, 3561, 4748, 5154, 6013, 7122, 7731, 8309, 10308, 10683, 12026, 14244, 15462, 16618, 18039, 21366, 24052, 24927, 30924, 33236, 36078, 42732, 49854, 54117, 72156, 74781, 99708, 108234, 149562, 216468, 299124, 1019633, 2039266, 3058899, 4078532, 6117798, 7137431, 9176697, 12235596, 14274862, 18353394, 21412293, 28549724, 36706788, 42824586, 64236879, 85649172, 128473758, 256947516]

約数ペア:

[(1, 256947516), (2, 128473758), (3, 85649172), (4, 64236879), (6, 42824586), (7, 36706788), (9, 28549724), (12, 21412293), (14, 18353394), (18, 14274862), (21, 12235596), (28, 9176697), (36, 7137431), (42, 6117798), (63, 4078532), (84, 3058899), (126, 2039266), (252, 1019633), (859, 299124), (1187, 216468), (1718, 149562), (2374, 108234), (2577, 99708), (3436, 74781), (3561, 72156), (4748, 54117), (5154, 49854), (6013, 42732), (7122, 36078), (7731, 33236), (8309, 30924), (10308, 24927), (10683, 24052), (12026, 21366), (14244, 18039), (15462, 16618)]