131431328

素因数分解:

$2^5\times 7^2\times {\mathrm{109}}^1\times {\mathrm{769}}^1$

素因数の和:902

約数の個数: 72

約数和(自身を含む): 304157700

約数和(自身を除く): 172726372

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 109, 112, 196, 218, 224, 392, 436, 763, 769, 784, 872, 1526, 1538, 1568, 1744, 3052, 3076, 3488, 5341, 5383, 6104, 6152, 10682, 10766, 12208, 12304, 21364, 21532, 24416, 24608, 37681, 42728, 43064, 75362, 83821, 85456, 86128, 150724, 167642, 170912, 172256, 301448, 335284, 586747, 602896, 670568, 1173494, 1205792, 1341136, 2346988, 2682272, 4107229, 4693976, 8214458, 9387952, 16428916, 18775904, 32857832, 65715664, 131431328]

約数ペア:

[(1, 131431328), (2, 65715664), (4, 32857832), (7, 18775904), (8, 16428916), (14, 9387952), (16, 8214458), (28, 4693976), (32, 4107229), (49, 2682272), (56, 2346988), (98, 1341136), (109, 1205792), (112, 1173494), (196, 670568), (218, 602896), (224, 586747), (392, 335284), (436, 301448), (763, 172256), (769, 170912), (784, 167642), (872, 150724), (1526, 86128), (1538, 85456), (1568, 83821), (1744, 75362), (3052, 43064), (3076, 42728), (3488, 37681), (5341, 24608), (5383, 24416), (6104, 21532), (6152, 21364), (10682, 12304), (10766, 12208)]