287885862

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{1009}}^1$

素因数の和:1170

約数の個数: 72

約数和(自身を含む): 691530840

約数和(自身を除く): 403644978

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 131, 198, 242, 262, 363, 393, 726, 786, 1009, 1089, 1179, 1441, 2018, 2178, 2358, 2882, 3027, 4323, 6054, 8646, 9081, 11099, 12969, 15851, 18162, 22198, 25938, 31702, 33297, 47553, 66594, 95106, 99891, 122089, 132179, 142659, 199782, 244178, 264358, 285318, 366267, 396537, 732534, 793074, 1098801, 1189611, 1453969, 2197602, 2379222, 2907938, 4361907, 8723814, 13085721, 15993659, 26171442, 31987318, 47980977, 95961954, 143942931, 287885862]

約数ペア:

[(1, 287885862), (2, 143942931), (3, 95961954), (6, 47980977), (9, 31987318), (11, 26171442), (18, 15993659), (22, 13085721), (33, 8723814), (66, 4361907), (99, 2907938), (121, 2379222), (131, 2197602), (198, 1453969), (242, 1189611), (262, 1098801), (363, 793074), (393, 732534), (726, 396537), (786, 366267), (1009, 285318), (1089, 264358), (1179, 244178), (1441, 199782), (2018, 142659), (2178, 132179), (2358, 122089), (2882, 99891), (3027, 95106), (4323, 66594), (6054, 47553), (8646, 33297), (9081, 31702), (11099, 25938), (12969, 22198), (15851, 18162)]