28253862

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:442

約数の個数: 96

約数和(自身を含む): 77156352

約数和(自身を除く): 48902490

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 47, 63, 78, 91, 94, 117, 126, 141, 182, 234, 273, 282, 329, 367, 423, 546, 611, 658, 734, 819, 846, 987, 1101, 1222, 1638, 1833, 1974, 2202, 2569, 2961, 3303, 3666, 4277, 4771, 5138, 5499, 5922, 6606, 7707, 8554, 9542, 10998, 12831, 14313, 15414, 17249, 23121, 25662, 28626, 33397, 34498, 38493, 42939, 46242, 51747, 66794, 76986, 85878, 100191, 103494, 120743, 155241, 200382, 224237, 241486, 300573, 310482, 362229, 448474, 601146, 672711, 724458, 1086687, 1345422, 1569659, 2018133, 2173374, 3139318, 4036266, 4708977, 9417954, 14126931, 28253862]

約数ペア:

[(1, 28253862), (2, 14126931), (3, 9417954), (6, 4708977), (7, 4036266), (9, 3139318), (13, 2173374), (14, 2018133), (18, 1569659), (21, 1345422), (26, 1086687), (39, 724458), (42, 672711), (47, 601146), (63, 448474), (78, 362229), (91, 310482), (94, 300573), (117, 241486), (126, 224237), (141, 200382), (182, 155241), (234, 120743), (273, 103494), (282, 100191), (329, 85878), (367, 76986), (423, 66794), (546, 51747), (611, 46242), (658, 42939), (734, 38493), (819, 34498), (846, 33397), (987, 28626), (1101, 25662), (1222, 23121), (1638, 17249), (1833, 15414), (1974, 14313), (2202, 12831), (2569, 10998), (2961, 9542), (3303, 8554), (3666, 7707), (4277, 6606), (4771, 5922), (5138, 5499)]