12858978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 30108672

約数和(自身を除く): 17249694

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 43, 46, 66, 69, 86, 129, 138, 197, 253, 258, 394, 473, 506, 591, 759, 946, 989, 1182, 1419, 1518, 1978, 2167, 2838, 2967, 4334, 4531, 5934, 6501, 8471, 9062, 10879, 13002, 13593, 16942, 21758, 25413, 27186, 32637, 49841, 50826, 65274, 93181, 99682, 149523, 186362, 194833, 279543, 299046, 389666, 559086, 584499, 1168998, 2143163, 4286326, 6429489, 12858978]

約数ペア:

[(1, 12858978), (2, 6429489), (3, 4286326), (6, 2143163), (11, 1168998), (22, 584499), (23, 559086), (33, 389666), (43, 299046), (46, 279543), (66, 194833), (69, 186362), (86, 149523), (129, 99682), (138, 93181), (197, 65274), (253, 50826), (258, 49841), (394, 32637), (473, 27186), (506, 25413), (591, 21758), (759, 16942), (946, 13593), (989, 13002), (1182, 10879), (1419, 9062), (1518, 8471), (1978, 6501), (2167, 5934), (2838, 4531), (2967, 4334)]