221731524

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 664355328

約数和(自身を除く): 442623804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 63, 84, 94, 97, 126, 141, 188, 193, 194, 252, 282, 291, 329, 386, 388, 423, 564, 579, 582, 658, 679, 772, 846, 873, 987, 1158, 1164, 1316, 1351, 1358, 1692, 1737, 1746, 1974, 2037, 2316, 2702, 2716, 2961, 3474, 3492, 3948, 4053, 4074, 4559, 5404, 5922, 6111, 6948, 8106, 8148, 9071, 9118, 11844, 12159, 12222, 13677, 16212, 18142, 18236, 18721, 24318, 24444, 27213, 27354, 31913, 36284, 37442, 41031, 48636, 54426, 54708, 56163, 63497, 63826, 74884, 81639, 82062, 95739, 108852, 112326, 126994, 127652, 131047, 163278, 164124, 168489, 190491, 191478, 224652, 253988, 262094, 287217, 326556, 336978, 380982, 382956, 393141, 524188, 571473, 574434, 673956, 761964, 786282, 879887, 1142946, 1148868, 1179423, 1572564, 1759774, 2285892, 2358846, 2639661, 3519548, 4717692, 5279322, 6159209, 7918983, 10558644, 12318418, 15837966, 18477627, 24636836, 31675932, 36955254, 55432881, 73910508, 110865762, 221731524]

約数ペア:

[(1, 221731524), (2, 110865762), (3, 73910508), (4, 55432881), (6, 36955254), (7, 31675932), (9, 24636836), (12, 18477627), (14, 15837966), (18, 12318418), (21, 10558644), (28, 7918983), (36, 6159209), (42, 5279322), (47, 4717692), (63, 3519548), (84, 2639661), (94, 2358846), (97, 2285892), (126, 1759774), (141, 1572564), (188, 1179423), (193, 1148868), (194, 1142946), (252, 879887), (282, 786282), (291, 761964), (329, 673956), (386, 574434), (388, 571473), (423, 524188), (564, 393141), (579, 382956), (582, 380982), (658, 336978), (679, 326556), (772, 287217), (846, 262094), (873, 253988), (987, 224652), (1158, 191478), (1164, 190491), (1316, 168489), (1351, 164124), (1358, 163278), (1692, 131047), (1737, 127652), (1746, 126994), (1974, 112326), (2037, 108852), (2316, 95739), (2702, 82062), (2716, 81639), (2961, 74884), (3474, 63826), (3492, 63497), (3948, 56163), (4053, 54708), (4074, 54426), (4559, 48636), (5404, 41031), (5922, 37442), (6111, 36284), (6948, 31913), (8106, 27354), (8148, 27213), (9071, 24444), (9118, 24318), (11844, 18721), (12159, 18236), (12222, 18142), (13677, 16212)]