1618188832

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{54787}}^1$

素因数の和:54881

約数の個数: 48

約数和(自身を含む): 3479257152

約数和(自身を除く): 1861068320

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 71, 104, 142, 208, 284, 416, 568, 923, 1136, 1846, 2272, 3692, 7384, 14768, 29536, 54787, 109574, 219148, 438296, 712231, 876592, 1424462, 1753184, 2848924, 3889877, 5697848, 7779754, 11395696, 15559508, 22791392, 31119016, 50568401, 62238032, 101136802, 124476064, 202273604, 404547208, 809094416, 1618188832]

約数ペア:

[(1, 1618188832), (2, 809094416), (4, 404547208), (8, 202273604), (13, 124476064), (16, 101136802), (26, 62238032), (32, 50568401), (52, 31119016), (71, 22791392), (104, 15559508), (142, 11395696), (208, 7779754), (284, 5697848), (416, 3889877), (568, 2848924), (923, 1753184), (1136, 1424462), (1846, 876592), (2272, 712231), (3692, 438296), (7384, 219148), (14768, 109574), (29536, 54787)]