199967922

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20611}}^1$

素因数の和:20644

約数の個数: 72

約数和(自身を含む): 549845712

約数和(自身を除く): 349877790

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 49, 63, 66, 77, 98, 99, 126, 147, 154, 198, 231, 294, 441, 462, 539, 693, 882, 1078, 1386, 1617, 3234, 4851, 9702, 20611, 41222, 61833, 123666, 144277, 185499, 226721, 288554, 370998, 432831, 453442, 680163, 865662, 1009939, 1298493, 1360326, 1587047, 2019878, 2040489, 2596986, 3029817, 3174094, 4080978, 4761141, 6059634, 9089451, 9522282, 11109329, 14283423, 18178902, 22218658, 28566846, 33327987, 66655974, 99983961, 199967922]

約数ペア:

[(1, 199967922), (2, 99983961), (3, 66655974), (6, 33327987), (7, 28566846), (9, 22218658), (11, 18178902), (14, 14283423), (18, 11109329), (21, 9522282), (22, 9089451), (33, 6059634), (42, 4761141), (49, 4080978), (63, 3174094), (66, 3029817), (77, 2596986), (98, 2040489), (99, 2019878), (126, 1587047), (147, 1360326), (154, 1298493), (198, 1009939), (231, 865662), (294, 680163), (441, 453442), (462, 432831), (539, 370998), (693, 288554), (882, 226721), (1078, 185499), (1386, 144277), (1617, 123666), (3234, 61833), (4851, 41222), (9702, 20611)]