161572190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{4423}}^1$

素因数の和:4724

約数の個数: 32

約数和(自身を含む): 314387136

約数和(自身を除く): 152814946

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 281, 562, 1405, 2810, 3653, 4423, 7306, 8846, 18265, 22115, 36530, 44230, 57499, 114998, 287495, 574990, 1242863, 2485726, 6214315, 12428630, 16157219, 32314438, 80786095, 161572190]

約数ペア:

[(1, 161572190), (2, 80786095), (5, 32314438), (10, 16157219), (13, 12428630), (26, 6214315), (65, 2485726), (130, 1242863), (281, 574990), (562, 287495), (1405, 114998), (2810, 57499), (3653, 44230), (4423, 36530), (7306, 22115), (8846, 18265)]