161857892

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{64951}}^1$

素因数の和:65051

約数の個数: 24

約数和(自身を含む): 327358080

約数和(自身を除く): 165500188

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 64951, 129902, 259804, 454657, 909314, 1818628, 5780639, 11561278, 23122556, 40464473, 80928946, 161857892]

約数ペア:

[(1, 161857892), (2, 80928946), (4, 40464473), (7, 23122556), (14, 11561278), (28, 5780639), (89, 1818628), (178, 909314), (356, 454657), (623, 259804), (1246, 129902), (2492, 64951)]