217442988

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2417}}^1$

素因数の和:2461

約数の個数: 144

約数和(自身を含む): 694643040

約数和(自身を除く): 477200052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 49, 51, 54, 63, 68, 84, 98, 102, 108, 119, 126, 147, 153, 189, 196, 204, 238, 252, 294, 306, 357, 378, 441, 459, 476, 588, 612, 714, 756, 833, 882, 918, 1071, 1323, 1428, 1666, 1764, 1836, 2142, 2417, 2499, 2646, 3213, 3332, 4284, 4834, 4998, 5292, 6426, 7251, 7497, 9668, 9996, 12852, 14502, 14994, 16919, 21753, 22491, 29004, 29988, 33838, 41089, 43506, 44982, 50757, 65259, 67676, 82178, 87012, 89964, 101514, 118433, 123267, 130518, 152271, 164356, 203028, 236866, 246534, 261036, 287623, 304542, 355299, 369801, 456813, 473732, 493068, 575246, 609084, 710598, 739602, 862869, 913626, 1065897, 1109403, 1150492, 1421196, 1479204, 1725738, 1827252, 2013361, 2131794, 2218806, 2588607, 3197691, 3451476, 4026722, 4263588, 4437612, 5177214, 6040083, 6395382, 7765821, 8053444, 10354428, 12080166, 12790764, 15531642, 18120249, 24160332, 31063284, 36240498, 54360747, 72480996, 108721494, 217442988]

約数ペア:

[(1, 217442988), (2, 108721494), (3, 72480996), (4, 54360747), (6, 36240498), (7, 31063284), (9, 24160332), (12, 18120249), (14, 15531642), (17, 12790764), (18, 12080166), (21, 10354428), (27, 8053444), (28, 7765821), (34, 6395382), (36, 6040083), (42, 5177214), (49, 4437612), (51, 4263588), (54, 4026722), (63, 3451476), (68, 3197691), (84, 2588607), (98, 2218806), (102, 2131794), (108, 2013361), (119, 1827252), (126, 1725738), (147, 1479204), (153, 1421196), (189, 1150492), (196, 1109403), (204, 1065897), (238, 913626), (252, 862869), (294, 739602), (306, 710598), (357, 609084), (378, 575246), (441, 493068), (459, 473732), (476, 456813), (588, 369801), (612, 355299), (714, 304542), (756, 287623), (833, 261036), (882, 246534), (918, 236866), (1071, 203028), (1323, 164356), (1428, 152271), (1666, 130518), (1764, 123267), (1836, 118433), (2142, 101514), (2417, 89964), (2499, 87012), (2646, 82178), (3213, 67676), (3332, 65259), (4284, 50757), (4834, 44982), (4998, 43506), (5292, 41089), (6426, 33838), (7251, 29988), (7497, 29004), (9668, 22491), (9996, 21753), (12852, 16919), (14502, 14994)]