4020128

素因数分解:

$2^5\times 7^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 9180864

約数和(自身を除く): 5160736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 131, 137, 224, 262, 274, 524, 548, 917, 959, 1048, 1096, 1834, 1918, 2096, 2192, 3668, 3836, 4192, 4384, 7336, 7672, 14672, 15344, 17947, 29344, 30688, 35894, 71788, 125629, 143576, 251258, 287152, 502516, 574304, 1005032, 2010064, 4020128]

約数ペア:

[(1, 4020128), (2, 2010064), (4, 1005032), (7, 574304), (8, 502516), (14, 287152), (16, 251258), (28, 143576), (32, 125629), (56, 71788), (112, 35894), (131, 30688), (137, 29344), (224, 17947), (262, 15344), (274, 14672), (524, 7672), (548, 7336), (917, 4384), (959, 4192), (1048, 3836), (1096, 3668), (1834, 2192), (1918, 2096)]