1901984987

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{332573}}^1$

素因数の和:332642

約数の個数: 16

約数和(自身を含む): 2341320960

約数和(自身を除く): 439335973

約数列:

[1, 7, 19, 43, 133, 301, 817, 5719, 332573, 2328011, 6318887, 14300639, 44232209, 100104473, 271712141, 1901984987]

約数ペア:

[(1, 1901984987), (7, 271712141), (19, 100104473), (43, 44232209), (133, 14300639), (301, 6318887), (817, 2328011), (5719, 332573)]