2011995671

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{2531}}^1$

素因数の和:2739

約数の個数: 32

約数和(自身を含む): 2495539200

約数和(自身を除く): 483543529

約数列:

[1, 7, 19, 43, 133, 139, 301, 817, 973, 2531, 2641, 5719, 5977, 17717, 18487, 41839, 48089, 108833, 113563, 336623, 351809, 761831, 794941, 2067827, 2462663, 6684371, 14474789, 15127787, 46790597, 105894509, 287427953, 2011995671]

約数ペア:

[(1, 2011995671), (7, 287427953), (19, 105894509), (43, 46790597), (133, 15127787), (139, 14474789), (301, 6684371), (817, 2462663), (973, 2067827), (2531, 794941), (2641, 761831), (5719, 351809), (5977, 336623), (17717, 113563), (18487, 108833), (41839, 48089)]