31303916

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{7121}}^1$

素因数の和:7289

約数の個数: 24

約数和(自身を含む): 63015456

約数和(自身を除く): 31711540

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 7121, 14242, 28484, 49847, 99694, 199388, 1117997, 2235994, 4471988, 7825979, 15651958, 31303916]

約数ペア:

[(1, 31303916), (2, 15651958), (4, 7825979), (7, 4471988), (14, 2235994), (28, 1117997), (157, 199388), (314, 99694), (628, 49847), (1099, 28484), (2198, 14242), (4396, 7121)]