31509426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{659}}^1$

素因数の和:1290

約数の個数: 32

約数和(自身を含む): 68080320

約数和(自身を除く): 36570894

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 613, 659, 1226, 1318, 1839, 1977, 3678, 3954, 7969, 8567, 15938, 17134, 23907, 25701, 47814, 51402, 403967, 807934, 1211901, 2423802, 5251571, 10503142, 15754713, 31509426]

約数ペア:

[(1, 31509426), (2, 15754713), (3, 10503142), (6, 5251571), (13, 2423802), (26, 1211901), (39, 807934), (78, 403967), (613, 51402), (659, 47814), (1226, 25701), (1318, 23907), (1839, 17134), (1977, 15938), (3678, 8567), (3954, 7969)]