251131716

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 719566848

約数和(自身を除く): 468435132

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 47, 66, 94, 99, 103, 131, 132, 141, 188, 198, 206, 262, 282, 309, 393, 396, 412, 423, 517, 524, 564, 618, 786, 846, 927, 1034, 1133, 1179, 1236, 1441, 1551, 1572, 1692, 1854, 2068, 2266, 2358, 2882, 3102, 3399, 3708, 4323, 4532, 4653, 4716, 4841, 5764, 6157, 6204, 6798, 8646, 9306, 9682, 10197, 12314, 12969, 13493, 13596, 14523, 17292, 18471, 18612, 19364, 20394, 24628, 25938, 26986, 29046, 36942, 40479, 40788, 43569, 51876, 53251, 53972, 55413, 58092, 67727, 73884, 80958, 87138, 106502, 110826, 121437, 135454, 148423, 159753, 161916, 174276, 203181, 213004, 221652, 242874, 270908, 296846, 319506, 406362, 445269, 479259, 485748, 593692, 609543, 634171, 639012, 812724, 890538, 958518, 1219086, 1268342, 1335807, 1781076, 1902513, 1917036, 2438172, 2536684, 2671614, 3805026, 5343228, 5707539, 6975881, 7610052, 11415078, 13951762, 20927643, 22830156, 27903524, 41855286, 62782929, 83710572, 125565858, 251131716]

約数ペア:

[(1, 251131716), (2, 125565858), (3, 83710572), (4, 62782929), (6, 41855286), (9, 27903524), (11, 22830156), (12, 20927643), (18, 13951762), (22, 11415078), (33, 7610052), (36, 6975881), (44, 5707539), (47, 5343228), (66, 3805026), (94, 2671614), (99, 2536684), (103, 2438172), (131, 1917036), (132, 1902513), (141, 1781076), (188, 1335807), (198, 1268342), (206, 1219086), (262, 958518), (282, 890538), (309, 812724), (393, 639012), (396, 634171), (412, 609543), (423, 593692), (517, 485748), (524, 479259), (564, 445269), (618, 406362), (786, 319506), (846, 296846), (927, 270908), (1034, 242874), (1133, 221652), (1179, 213004), (1236, 203181), (1441, 174276), (1551, 161916), (1572, 159753), (1692, 148423), (1854, 135454), (2068, 121437), (2266, 110826), (2358, 106502), (2882, 87138), (3102, 80958), (3399, 73884), (3708, 67727), (4323, 58092), (4532, 55413), (4653, 53972), (4716, 53251), (4841, 51876), (5764, 43569), (6157, 40788), (6204, 40479), (6798, 36942), (8646, 29046), (9306, 26986), (9682, 25938), (10197, 24628), (12314, 20394), (12969, 19364), (13493, 18612), (13596, 18471), (14523, 17292)]