28541968

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19603}}^1$

素因数の和:19631

約数の個数: 40

約数和(自身を含む): 68065088

約数和(自身を除く): 39523120

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 19603, 39206, 78412, 137221, 156824, 254839, 274442, 313648, 509678, 548884, 1019356, 1097768, 1783873, 2038712, 2195536, 3567746, 4077424, 7135492, 14270984, 28541968]

約数ペア:

[(1, 28541968), (2, 14270984), (4, 7135492), (7, 4077424), (8, 3567746), (13, 2195536), (14, 2038712), (16, 1783873), (26, 1097768), (28, 1019356), (52, 548884), (56, 509678), (91, 313648), (104, 274442), (112, 254839), (182, 156824), (208, 137221), (364, 78412), (728, 39206), (1456, 19603)]