128427498

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 319334400

約数和(自身を除く): 190906902

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 41, 43, 54, 57, 71, 82, 86, 114, 123, 129, 142, 171, 213, 246, 258, 342, 369, 387, 426, 513, 639, 738, 774, 779, 817, 1026, 1107, 1161, 1278, 1349, 1558, 1634, 1763, 1917, 2214, 2322, 2337, 2451, 2698, 2911, 3053, 3526, 3834, 4047, 4674, 4902, 5289, 5822, 6106, 7011, 7353, 8094, 8733, 9159, 10578, 12141, 14022, 14706, 15867, 17466, 18318, 21033, 22059, 24282, 26199, 27477, 31734, 33497, 36423, 42066, 44118, 47601, 52398, 54954, 55309, 58007, 66994, 72846, 78597, 82431, 95202, 100491, 110618, 116014, 125173, 157194, 164862, 165927, 174021, 200982, 250346, 301473, 331854, 348042, 375519, 497781, 522063, 602946, 751038, 904419, 995562, 1044126, 1126557, 1493343, 1566189, 1808838, 2253114, 2378287, 2986686, 3132378, 3379671, 4756574, 6759342, 7134861, 14269722, 21404583, 42809166, 64213749, 128427498]

約数ペア:

[(1, 128427498), (2, 64213749), (3, 42809166), (6, 21404583), (9, 14269722), (18, 7134861), (19, 6759342), (27, 4756574), (38, 3379671), (41, 3132378), (43, 2986686), (54, 2378287), (57, 2253114), (71, 1808838), (82, 1566189), (86, 1493343), (114, 1126557), (123, 1044126), (129, 995562), (142, 904419), (171, 751038), (213, 602946), (246, 522063), (258, 497781), (342, 375519), (369, 348042), (387, 331854), (426, 301473), (513, 250346), (639, 200982), (738, 174021), (774, 165927), (779, 164862), (817, 157194), (1026, 125173), (1107, 116014), (1161, 110618), (1278, 100491), (1349, 95202), (1558, 82431), (1634, 78597), (1763, 72846), (1917, 66994), (2214, 58007), (2322, 55309), (2337, 54954), (2451, 52398), (2698, 47601), (2911, 44118), (3053, 42066), (3526, 36423), (3834, 33497), (4047, 31734), (4674, 27477), (4902, 26199), (5289, 24282), (5822, 22059), (6106, 21033), (7011, 18318), (7353, 17466), (8094, 15867), (8733, 14706), (9159, 14022), (10578, 12141)]