209916

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{17}}^1$

素因数の和:48

約数の個数: 72

約数和(自身を含む): 655200

約数和(自身を除く): 445284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 49, 51, 63, 68, 84, 98, 102, 119, 126, 147, 153, 196, 204, 238, 252, 294, 306, 343, 357, 441, 476, 588, 612, 686, 714, 833, 882, 1029, 1071, 1372, 1428, 1666, 1764, 2058, 2142, 2499, 3087, 3332, 4116, 4284, 4998, 5831, 6174, 7497, 9996, 11662, 12348, 14994, 17493, 23324, 29988, 34986, 52479, 69972, 104958, 209916]

約数ペア:

[(1, 209916), (2, 104958), (3, 69972), (4, 52479), (6, 34986), (7, 29988), (9, 23324), (12, 17493), (14, 14994), (17, 12348), (18, 11662), (21, 9996), (28, 7497), (34, 6174), (36, 5831), (42, 4998), (49, 4284), (51, 4116), (63, 3332), (68, 3087), (84, 2499), (98, 2142), (102, 2058), (119, 1764), (126, 1666), (147, 1428), (153, 1372), (196, 1071), (204, 1029), (238, 882), (252, 833), (294, 714), (306, 686), (343, 612), (357, 588), (441, 476)]