181878298

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 72

約数和(自身を含む): 344779092

約数和(自身を除く): 162900794

約数列:

[1, 2, 7, 14, 19, 38, 49, 53, 97, 98, 106, 133, 194, 266, 361, 371, 679, 722, 742, 931, 1007, 1358, 1843, 1862, 2014, 2527, 2597, 3686, 4753, 5054, 5141, 5194, 7049, 9506, 10282, 12901, 14098, 17689, 19133, 25802, 35017, 35378, 35987, 38266, 49343, 70034, 71974, 90307, 97679, 98686, 133931, 180614, 195358, 245119, 251909, 267862, 490238, 503818, 683753, 937517, 1367506, 1715833, 1855901, 1875034, 3431666, 3711802, 4786271, 9572542, 12991307, 25982614, 90939149, 181878298]

約数ペア:

[(1, 181878298), (2, 90939149), (7, 25982614), (14, 12991307), (19, 9572542), (38, 4786271), (49, 3711802), (53, 3431666), (97, 1875034), (98, 1855901), (106, 1715833), (133, 1367506), (194, 937517), (266, 683753), (361, 503818), (371, 490238), (679, 267862), (722, 251909), (742, 245119), (931, 195358), (1007, 180614), (1358, 133931), (1843, 98686), (1862, 97679), (2014, 90307), (2527, 71974), (2597, 70034), (3686, 49343), (4753, 38266), (5054, 35987), (5141, 35378), (5194, 35017), (7049, 25802), (9506, 19133), (10282, 17689), (12901, 14098)]