199972494

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{4229}}^1$

素因数の和:4345

約数の個数: 48

約数和(自身を含む): 451357920

約数和(自身を除く): 251385426

約数列:

[1, 2, 3, 6, 9, 18, 37, 71, 74, 111, 142, 213, 222, 333, 426, 639, 666, 1278, 2627, 4229, 5254, 7881, 8458, 12687, 15762, 23643, 25374, 38061, 47286, 76122, 156473, 300259, 312946, 469419, 600518, 900777, 938838, 1408257, 1801554, 2702331, 2816514, 5404662, 11109583, 22219166, 33328749, 66657498, 99986247, 199972494]

約数ペア:

[(1, 199972494), (2, 99986247), (3, 66657498), (6, 33328749), (9, 22219166), (18, 11109583), (37, 5404662), (71, 2816514), (74, 2702331), (111, 1801554), (142, 1408257), (213, 938838), (222, 900777), (333, 600518), (426, 469419), (639, 312946), (666, 300259), (1278, 156473), (2627, 76122), (4229, 47286), (5254, 38061), (7881, 25374), (8458, 23643), (12687, 15762)]