251015814

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:335

約数の個数: 128

約数和(自身を含む): 663552000

約数和(自身を除く): 412536186

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 47, 54, 63, 71, 94, 126, 141, 142, 189, 199, 213, 282, 329, 378, 398, 423, 426, 497, 597, 639, 658, 846, 987, 994, 1194, 1269, 1278, 1393, 1491, 1791, 1917, 1974, 2538, 2786, 2961, 2982, 3337, 3582, 3834, 4179, 4473, 5373, 5922, 6674, 8358, 8883, 8946, 9353, 10011, 10746, 12537, 13419, 14129, 17766, 18706, 20022, 23359, 25074, 26838, 28059, 28258, 30033, 37611, 42387, 46718, 56118, 60066, 65471, 70077, 75222, 84177, 84774, 90099, 98903, 127161, 130942, 140154, 168354, 180198, 196413, 197806, 210231, 252531, 254322, 296709, 381483, 392826, 420462, 505062, 589239, 593418, 630693, 664063, 762966, 890127, 1178478, 1261386, 1328126, 1767717, 1780254, 1992189, 2670381, 3535434, 3984378, 4648441, 5340762, 5976567, 9296882, 11953134, 13945323, 17929701, 27890646, 35859402, 41835969, 83671938, 125507907, 251015814]

約数ペア:

[(1, 251015814), (2, 125507907), (3, 83671938), (6, 41835969), (7, 35859402), (9, 27890646), (14, 17929701), (18, 13945323), (21, 11953134), (27, 9296882), (42, 5976567), (47, 5340762), (54, 4648441), (63, 3984378), (71, 3535434), (94, 2670381), (126, 1992189), (141, 1780254), (142, 1767717), (189, 1328126), (199, 1261386), (213, 1178478), (282, 890127), (329, 762966), (378, 664063), (398, 630693), (423, 593418), (426, 589239), (497, 505062), (597, 420462), (639, 392826), (658, 381483), (846, 296709), (987, 254322), (994, 252531), (1194, 210231), (1269, 197806), (1278, 196413), (1393, 180198), (1491, 168354), (1791, 140154), (1917, 130942), (1974, 127161), (2538, 98903), (2786, 90099), (2961, 84774), (2982, 84177), (3337, 75222), (3582, 70077), (3834, 65471), (4179, 60066), (4473, 56118), (5373, 46718), (5922, 42387), (6674, 37611), (8358, 30033), (8883, 28258), (8946, 28059), (9353, 26838), (10011, 25074), (10746, 23359), (12537, 20022), (13419, 18706), (14129, 17766)]