1991196

素因数分解:

$2^2\times 3^3\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:295

約数の個数: 48

約数和(自身を含む): 5241600

約数和(自身を除く): 3250404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 103, 108, 179, 206, 309, 358, 412, 537, 618, 716, 927, 1074, 1236, 1611, 1854, 2148, 2781, 3222, 3708, 4833, 5562, 6444, 9666, 11124, 18437, 19332, 36874, 55311, 73748, 110622, 165933, 221244, 331866, 497799, 663732, 995598, 1991196]

約数ペア:

[(1, 1991196), (2, 995598), (3, 663732), (4, 497799), (6, 331866), (9, 221244), (12, 165933), (18, 110622), (27, 73748), (36, 55311), (54, 36874), (103, 19332), (108, 18437), (179, 11124), (206, 9666), (309, 6444), (358, 5562), (412, 4833), (537, 3708), (618, 3222), (716, 2781), (927, 2148), (1074, 1854), (1236, 1611)]