31322128

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:539

約数の個数: 40

約数和(自身を含む): 62909912

約数和(自身を除く): 31587784

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 157, 296, 314, 337, 592, 628, 674, 1256, 1348, 2512, 2696, 5392, 5809, 11618, 12469, 23236, 24938, 46472, 49876, 52909, 92944, 99752, 105818, 199504, 211636, 423272, 846544, 1957633, 3915266, 7830532, 15661064, 31322128]

約数ペア:

[(1, 31322128), (2, 15661064), (4, 7830532), (8, 3915266), (16, 1957633), (37, 846544), (74, 423272), (148, 211636), (157, 199504), (296, 105818), (314, 99752), (337, 92944), (592, 52909), (628, 49876), (674, 46472), (1256, 24938), (1348, 23236), (2512, 12469), (2696, 11618), (5392, 5809)]