1245984964

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{32987}}^1$

素因数の和:33088

約数の個数: 48

約数和(自身を含む): 2660152320

約数和(自身を除く): 1414167356

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 71, 76, 133, 142, 266, 284, 497, 532, 994, 1349, 1988, 2698, 5396, 9443, 18886, 32987, 37772, 65974, 131948, 230909, 461818, 626753, 923636, 1253506, 2342077, 2507012, 4387271, 4684154, 8774542, 9368308, 16394539, 17549084, 32789078, 44499463, 65578156, 88998926, 177997852, 311496241, 622992482, 1245984964]

約数ペア:

[(1, 1245984964), (2, 622992482), (4, 311496241), (7, 177997852), (14, 88998926), (19, 65578156), (28, 44499463), (38, 32789078), (71, 17549084), (76, 16394539), (133, 9368308), (142, 8774542), (266, 4684154), (284, 4387271), (497, 2507012), (532, 2342077), (994, 1253506), (1349, 923636), (1988, 626753), (2698, 461818), (5396, 230909), (9443, 131948), (18886, 65974), (32987, 37772)]