645568

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1$

素因数の和:161

約数の個数: 56

約数和(自身を含む): 1609344

約数和(自身を除く): 963776

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 131, 154, 176, 224, 262, 308, 352, 448, 524, 616, 704, 917, 1048, 1232, 1441, 1834, 2096, 2464, 2882, 3668, 4192, 4928, 5764, 7336, 8384, 10087, 11528, 14672, 20174, 23056, 29344, 40348, 46112, 58688, 80696, 92224, 161392, 322784, 645568]

約数ペア:

[(1, 645568), (2, 322784), (4, 161392), (7, 92224), (8, 80696), (11, 58688), (14, 46112), (16, 40348), (22, 29344), (28, 23056), (32, 20174), (44, 14672), (56, 11528), (64, 10087), (77, 8384), (88, 7336), (112, 5764), (131, 4928), (154, 4192), (176, 3668), (224, 2882), (262, 2464), (308, 2096), (352, 1834), (448, 1441), (524, 1232), (616, 1048), (704, 917)]