201667856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:616

約数の個数: 80

約数和(自身を含む): 442680000

約数和(自身を除く): 241012144

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 67, 104, 116, 134, 208, 232, 268, 377, 464, 499, 536, 754, 871, 998, 1072, 1508, 1742, 1943, 1996, 3016, 3484, 3886, 3992, 6032, 6487, 6968, 7772, 7984, 12974, 13936, 14471, 15544, 25259, 25948, 28942, 31088, 33433, 50518, 51896, 57884, 66866, 101036, 103792, 115768, 133732, 188123, 202072, 231536, 267464, 376246, 404144, 434629, 534928, 752492, 869258, 969557, 1504984, 1738516, 1939114, 3009968, 3477032, 3878228, 6954064, 7756456, 12604241, 15512912, 25208482, 50416964, 100833928, 201667856]

約数ペア:

[(1, 201667856), (2, 100833928), (4, 50416964), (8, 25208482), (13, 15512912), (16, 12604241), (26, 7756456), (29, 6954064), (52, 3878228), (58, 3477032), (67, 3009968), (104, 1939114), (116, 1738516), (134, 1504984), (208, 969557), (232, 869258), (268, 752492), (377, 534928), (464, 434629), (499, 404144), (536, 376246), (754, 267464), (871, 231536), (998, 202072), (1072, 188123), (1508, 133732), (1742, 115768), (1943, 103792), (1996, 101036), (3016, 66866), (3484, 57884), (3886, 51896), (3992, 50518), (6032, 33433), (6487, 31088), (6968, 28942), (7772, 25948), (7984, 25259), (12974, 15544), (13936, 14471)]