121721488

素因数分解:

$2^4\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1451}}^1$

素因数の和:1580

約数の個数: 60

約数和(自身を含む): 277093872

約数和(自身を除く): 155372384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 107, 112, 196, 214, 392, 428, 749, 784, 856, 1451, 1498, 1712, 2902, 2996, 5243, 5804, 5992, 10157, 10486, 11608, 11984, 20314, 20972, 23216, 40628, 41944, 71099, 81256, 83888, 142198, 155257, 162512, 284396, 310514, 568792, 621028, 1086799, 1137584, 1242056, 2173598, 2484112, 4347196, 7607593, 8694392, 15215186, 17388784, 30430372, 60860744, 121721488]

約数ペア:

[(1, 121721488), (2, 60860744), (4, 30430372), (7, 17388784), (8, 15215186), (14, 8694392), (16, 7607593), (28, 4347196), (49, 2484112), (56, 2173598), (98, 1242056), (107, 1137584), (112, 1086799), (196, 621028), (214, 568792), (392, 310514), (428, 284396), (749, 162512), (784, 155257), (856, 142198), (1451, 83888), (1498, 81256), (1712, 71099), (2902, 41944), (2996, 40628), (5243, 23216), (5804, 20972), (5992, 20314), (10157, 11984), (10486, 11608)]