987855787331

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{20981}}^1\times {\mathrm{181789}}^1$

素因数の和:202814

約数の個数: 16

約数和(自身を含む): 1159552605120

約数和(自身を除く): 171696817789

約数列:

[1, 7, 37, 259, 20981, 146867, 181789, 776297, 1272523, 5434079, 6726193, 47083351, 3814115009, 26698805063, 141122255333, 987855787331]

約数ペア:

[(1, 987855787331), (7, 141122255333), (37, 26698805063), (259, 3814115009), (20981, 47083351), (146867, 6726193), (181789, 5434079), (776297, 1272523)]