61978145

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 80372736

約数和(自身を除く): 18394591

約数列:

[1, 5, 31, 37, 101, 107, 155, 185, 505, 535, 1147, 3131, 3317, 3737, 3959, 5735, 10807, 15655, 16585, 18685, 19795, 54035, 115847, 122729, 335017, 399859, 579235, 613645, 1675085, 1999295, 12395629, 61978145]

約数ペア:

[(1, 61978145), (5, 12395629), (31, 1999295), (37, 1675085), (101, 613645), (107, 579235), (155, 399859), (185, 335017), (505, 122729), (535, 115847), (1147, 54035), (3131, 19795), (3317, 18685), (3737, 16585), (3959, 15655), (5735, 10807)]