2054139515

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{131213}}^1$

素因数の和:131350

約数の個数: 16

約数和(自身を含む): 2569694976

約数和(自身を除く): 515555461

約数列:

[1, 5, 31, 101, 155, 505, 3131, 15655, 131213, 656065, 4067603, 13252513, 20338015, 66262565, 410827903, 2054139515]

約数ペア:

[(1, 2054139515), (5, 410827903), (31, 66262565), (101, 20338015), (155, 13252513), (505, 4067603), (3131, 656065), (15655, 131213)]