247486025

素因数分解:

$5^2\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{311}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 311438400

約数和(自身を除く): 63952375

約数列:

[1, 5, 25, 139, 229, 311, 695, 1145, 1555, 3475, 5725, 7775, 31831, 43229, 71219, 159155, 216145, 356095, 795775, 1080725, 1780475, 9899441, 49497205, 247486025]

約数ペア:

[(1, 247486025), (5, 49497205), (25, 9899441), (139, 1780475), (229, 1080725), (311, 795775), (695, 356095), (1145, 216145), (1555, 159155), (3475, 71219), (5725, 43229), (7775, 31831)]