89978868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 271724544

約数和(自身を除く): 181745676

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 63, 71, 84, 94, 107, 126, 141, 142, 188, 213, 214, 252, 282, 284, 321, 329, 423, 426, 428, 497, 564, 639, 642, 658, 749, 846, 852, 963, 987, 994, 1278, 1284, 1316, 1491, 1498, 1692, 1926, 1974, 1988, 2247, 2556, 2961, 2982, 2996, 3337, 3852, 3948, 4473, 4494, 5029, 5922, 5964, 6674, 6741, 7597, 8946, 8988, 10011, 10058, 11844, 13348, 13482, 15087, 15194, 17892, 20022, 20116, 22791, 23359, 26964, 30033, 30174, 30388, 35203, 40044, 45261, 45582, 46718, 53179, 60066, 60348, 68373, 70077, 70406, 90522, 91164, 93436, 105609, 106358, 120132, 136746, 140154, 140812, 159537, 181044, 210231, 211218, 212716, 273492, 280308, 316827, 319074, 357059, 420462, 422436, 478611, 633654, 638148, 714118, 840924, 957222, 1071177, 1267308, 1428236, 1914444, 2142354, 2499413, 3213531, 4284708, 4998826, 6427062, 7498239, 9997652, 12854124, 14996478, 22494717, 29992956, 44989434, 89978868]

約数ペア:

[(1, 89978868), (2, 44989434), (3, 29992956), (4, 22494717), (6, 14996478), (7, 12854124), (9, 9997652), (12, 7498239), (14, 6427062), (18, 4998826), (21, 4284708), (28, 3213531), (36, 2499413), (42, 2142354), (47, 1914444), (63, 1428236), (71, 1267308), (84, 1071177), (94, 957222), (107, 840924), (126, 714118), (141, 638148), (142, 633654), (188, 478611), (213, 422436), (214, 420462), (252, 357059), (282, 319074), (284, 316827), (321, 280308), (329, 273492), (423, 212716), (426, 211218), (428, 210231), (497, 181044), (564, 159537), (639, 140812), (642, 140154), (658, 136746), (749, 120132), (846, 106358), (852, 105609), (963, 93436), (987, 91164), (994, 90522), (1278, 70406), (1284, 70077), (1316, 68373), (1491, 60348), (1498, 60066), (1692, 53179), (1926, 46718), (1974, 45582), (1988, 45261), (2247, 40044), (2556, 35203), (2961, 30388), (2982, 30174), (2996, 30033), (3337, 26964), (3852, 23359), (3948, 22791), (4473, 20116), (4494, 20022), (5029, 17892), (5922, 15194), (5964, 15087), (6674, 13482), (6741, 13348), (7597, 11844), (8946, 10058), (8988, 10011)]