218851444

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 464755200

約数和(自身を除く): 245903756

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 181, 196, 199, 217, 362, 398, 434, 724, 796, 868, 1267, 1393, 1519, 2534, 2786, 3038, 5068, 5572, 5611, 6076, 6169, 8869, 9751, 11222, 12338, 17738, 19502, 22444, 24676, 35476, 36019, 39004, 39277, 43183, 72038, 78554, 86366, 144076, 157108, 172732, 252133, 274939, 302281, 504266, 549878, 604562, 1008532, 1099756, 1116589, 1209124, 1764931, 2233178, 3529862, 4466356, 7059724, 7816123, 15632246, 31264492, 54712861, 109425722, 218851444]

約数ペア:

[(1, 218851444), (2, 109425722), (4, 54712861), (7, 31264492), (14, 15632246), (28, 7816123), (31, 7059724), (49, 4466356), (62, 3529862), (98, 2233178), (124, 1764931), (181, 1209124), (196, 1116589), (199, 1099756), (217, 1008532), (362, 604562), (398, 549878), (434, 504266), (724, 302281), (796, 274939), (868, 252133), (1267, 172732), (1393, 157108), (1519, 144076), (2534, 86366), (2786, 78554), (3038, 72038), (5068, 43183), (5572, 39277), (5611, 39004), (6076, 36019), (6169, 35476), (8869, 24676), (9751, 22444), (11222, 19502), (12338, 17738)]