215047085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1151}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 291962880

約数和(自身を除く): 76915795

約数列:

[1, 5, 11, 43, 55, 79, 215, 395, 473, 869, 1151, 2365, 3397, 4345, 5755, 12661, 16985, 37367, 49493, 63305, 90929, 186835, 247465, 454645, 544423, 1000219, 2722115, 3909947, 5001095, 19549735, 43009417, 215047085]

約数ペア:

[(1, 215047085), (5, 43009417), (11, 19549735), (43, 5001095), (55, 3909947), (79, 2722115), (215, 1000219), (395, 544423), (473, 454645), (869, 247465), (1151, 186835), (2365, 90929), (3397, 63305), (4345, 49493), (5755, 37367), (12661, 16985)]