28497872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7211}}^1$

素因数の和:7251

約数の個数: 40

約数和(自身を含む): 62600160

約数和(自身を除く): 34102288

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 7211, 14422, 28844, 57688, 93743, 115376, 137009, 187486, 274018, 374972, 548036, 749944, 1096072, 1499888, 1781117, 2192144, 3562234, 7124468, 14248936, 28497872]

約数ペア:

[(1, 28497872), (2, 14248936), (4, 7124468), (8, 3562234), (13, 2192144), (16, 1781117), (19, 1499888), (26, 1096072), (38, 749944), (52, 548036), (76, 374972), (104, 274018), (152, 187486), (208, 137009), (247, 115376), (304, 93743), (494, 57688), (988, 28844), (1976, 14422), (3952, 7211)]