31388126

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{2647}}^1$

素因数の和:2685

約数の個数: 36

約数和(自身を含む): 60223464

約数和(自身を除く): 28835338

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 121, 154, 242, 539, 847, 1078, 1694, 2647, 5294, 5929, 11858, 18529, 29117, 37058, 58234, 129703, 203819, 259406, 320287, 407638, 640574, 1426733, 2242009, 2853466, 4484018, 15694063, 31388126]

約数ペア:

[(1, 31388126), (2, 15694063), (7, 4484018), (11, 2853466), (14, 2242009), (22, 1426733), (49, 640574), (77, 407638), (98, 320287), (121, 259406), (154, 203819), (242, 129703), (539, 58234), (847, 37058), (1078, 29117), (1694, 18529), (2647, 11858), (5294, 5929)]