257022215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{3217}}^1$

素因数の和:3299

約数の個数: 24

約数和(自身を含む): 336345360

約数和(自身を除く): 79323145

約数列:

[1, 5, 19, 29, 95, 145, 551, 841, 2755, 3217, 4205, 15979, 16085, 61123, 79895, 93293, 305615, 466465, 1772567, 2705497, 8862835, 13527485, 51404443, 257022215]

約数ペア:

[(1, 257022215), (5, 51404443), (19, 13527485), (29, 8862835), (95, 2705497), (145, 1772567), (551, 466465), (841, 305615), (2755, 93293), (3217, 79895), (4205, 61123), (15979, 16085)]