51638454

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:610

約数の個数: 72

約数和(自身を含む): 131459328

約数和(自身を除く): 79820874

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 127, 147, 254, 294, 381, 441, 461, 762, 882, 889, 922, 1143, 1383, 1778, 2286, 2667, 2766, 3227, 4149, 5334, 6223, 6454, 8001, 8298, 9681, 12446, 16002, 18669, 19362, 22589, 29043, 37338, 45178, 56007, 58086, 58547, 67767, 112014, 117094, 135534, 175641, 203301, 351282, 406602, 409829, 526923, 819658, 1053846, 1229487, 2458974, 2868803, 3688461, 5737606, 7376922, 8606409, 17212818, 25819227, 51638454]

約数ペア:

[(1, 51638454), (2, 25819227), (3, 17212818), (6, 8606409), (7, 7376922), (9, 5737606), (14, 3688461), (18, 2868803), (21, 2458974), (42, 1229487), (49, 1053846), (63, 819658), (98, 526923), (126, 409829), (127, 406602), (147, 351282), (254, 203301), (294, 175641), (381, 135534), (441, 117094), (461, 112014), (762, 67767), (882, 58547), (889, 58086), (922, 56007), (1143, 45178), (1383, 37338), (1778, 29043), (2286, 22589), (2667, 19362), (2766, 18669), (3227, 16002), (4149, 12446), (5334, 9681), (6223, 8298), (6454, 8001)]