131444656

素因数分解:

$2^4\times 7^2\times {\mathrm{389}}^1\times {\mathrm{431}}^1$

素因数の和:842

約数の個数: 60

約数和(自身を含む): 297704160

約数和(自身を除く): 166259504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 389, 392, 431, 778, 784, 862, 1556, 1724, 2723, 3017, 3112, 3448, 5446, 6034, 6224, 6896, 10892, 12068, 19061, 21119, 21784, 24136, 38122, 42238, 43568, 48272, 76244, 84476, 152488, 167659, 168952, 304976, 335318, 337904, 670636, 1173613, 1341272, 2347226, 2682544, 4694452, 8215291, 9388904, 16430582, 18777808, 32861164, 65722328, 131444656]

約数ペア:

[(1, 131444656), (2, 65722328), (4, 32861164), (7, 18777808), (8, 16430582), (14, 9388904), (16, 8215291), (28, 4694452), (49, 2682544), (56, 2347226), (98, 1341272), (112, 1173613), (196, 670636), (389, 337904), (392, 335318), (431, 304976), (778, 168952), (784, 167659), (862, 152488), (1556, 84476), (1724, 76244), (2723, 48272), (3017, 43568), (3112, 42238), (3448, 38122), (5446, 24136), (6034, 21784), (6224, 21119), (6896, 19061), (10892, 12068)]