31881104

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{4969}}^1$

素因数の和:5378

約数の個数: 20

約数和(自身を含む): 61936140

約数和(自身を除く): 30055036

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 4969, 6416, 9938, 19876, 39752, 79504, 1992569, 3985138, 7970276, 15940552, 31881104]

約数ペア:

[(1, 31881104), (2, 15940552), (4, 7970276), (8, 3985138), (16, 1992569), (401, 79504), (802, 39752), (1604, 19876), (3208, 9938), (4969, 6416)]