87943457

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^2$

素因数の和:357

約数の個数: 24

約数和(自身を含む): 110174400

約数和(自身を除く): 22230943

約数列:

[1, 7, 19, 29, 133, 151, 203, 551, 1057, 2869, 3857, 4379, 20083, 22801, 30653, 83201, 159607, 433219, 582407, 661229, 3032533, 4628603, 12563351, 87943457]

約数ペア:

[(1, 87943457), (7, 12563351), (19, 4628603), (29, 3032533), (133, 661229), (151, 582407), (203, 433219), (551, 159607), (1057, 83201), (2869, 30653), (3857, 22801), (4379, 20083)]