81617872

素因数分解:

$2^4\times 7^1\times {\mathrm{728731}}^1$

素因数の和:728746

約数の個数: 20

約数和(自身を含む): 180725536

約数和(自身を除く): 99107664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 728731, 1457462, 2914924, 5101117, 5829848, 10202234, 11659696, 20404468, 40808936, 81617872]

約数ペア:

[(1, 81617872), (2, 40808936), (4, 20404468), (7, 11659696), (8, 10202234), (14, 5829848), (16, 5101117), (28, 2914924), (56, 1457462), (112, 728731)]