81681568

素因数分解:

$2^5\times {\mathrm{271}}^1\times {\mathrm{9419}}^1$

素因数の和:9700

約数の個数: 24

約数和(自身を含む): 161421120

約数和(自身を除く): 79739552

約数列:

[1, 2, 4, 8, 16, 32, 271, 542, 1084, 2168, 4336, 8672, 9419, 18838, 37676, 75352, 150704, 301408, 2552549, 5105098, 10210196, 20420392, 40840784, 81681568]

約数ペア:

[(1, 81681568), (2, 40840784), (4, 20420392), (8, 10210196), (16, 5105098), (32, 2552549), (271, 301408), (542, 150704), (1084, 75352), (2168, 37676), (4336, 18838), (8672, 9419)]