28140896

素因数分解:

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

素因数の和:292

約数の個数: 72

約数和(自身を含む): 65413656

約数和(自身を除く): 37272760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 131, 137, 196, 224, 262, 274, 392, 524, 548, 784, 917, 959, 1048, 1096, 1568, 1834, 1918, 2096, 2192, 3668, 3836, 4192, 4384, 6419, 6713, 7336, 7672, 12838, 13426, 14672, 15344, 17947, 25676, 26852, 29344, 30688, 35894, 51352, 53704, 71788, 102704, 107408, 125629, 143576, 205408, 214816, 251258, 287152, 502516, 574304, 879403, 1005032, 1758806, 2010064, 3517612, 4020128, 7035224, 14070448, 28140896]

約数ペア:

[(1, 28140896), (2, 14070448), (4, 7035224), (7, 4020128), (8, 3517612), (14, 2010064), (16, 1758806), (28, 1005032), (32, 879403), (49, 574304), (56, 502516), (98, 287152), (112, 251258), (131, 214816), (137, 205408), (196, 143576), (224, 125629), (262, 107408), (274, 102704), (392, 71788), (524, 53704), (548, 51352), (784, 35894), (917, 30688), (959, 29344), (1048, 26852), (1096, 25676), (1568, 17947), (1834, 15344), (1918, 14672), (2096, 13426), (2192, 12838), (3668, 7672), (3836, 7336), (4192, 6713), (4384, 6419)]